
This week’s #RBM wandered cheerfully across several decades of technology and several definitions of progress… We start with John Novak, which conducted the sort of General MIDI comparison that requires 322 recordings and a perfectly reasonable concern about whether your DOS game sounds better through a Yamaha MU80 or Roland SC-55. Quanta introduced ctenophores, creatures with deeply strange nervous systems, pressure-dependent membranes and an irritating habit of making our tidy evolutionary assumptions look premature. Suzanne Ciani’s 1976 Buchla Cookbook showed how an obscure synthesiser module became an instrument through experimentation, muscle memory and some unexpectedly useful grant paperwork. The Digital Antiquarian traced how Lemmings went from eight beautifully comprehensible abilities to 60, 3D and paintball, because apparently leaving a successful idea alone remains commercially unacceptable. Finally, Section argued that AI’s next act is computer use: agents clicking through the same websites, legacy applications and authentication screens humans endure today.
In this issue
5 piecesComparing General MIDI configurations across 46 classic DOS game soundtracks, producing 322 lossless recordings under controlled conditions
John Novak tests the canonical Roland SC-55 against later Sound Canvas modes, Roland Sound Canvas VA, Yamaha MU80 and S-YXG50. Using identical captured MIDI data, time-aligned recordings and matched perceived loudness, Novak finds meaningful differences in samples, effects, tonal balance and hardware output stages, while stressing that many become conspicuous mainly during direct A/B comparisons. The Yamaha MU80 is Novak’s preferred single hardware module, winning 12 of his 21 soundtrack comparisons against nine for Roland, although several compositions remain better balanced on the SC-55. He finds Sound Canvas VA a convincing practical SC-55 substitute despite inaccuracies, while S-YXG50 closely approximates the MU80. The broader lesson for retro gaming is that authenticity, technical fidelity and listening preference are separate concerns: newer or higher-quality reproduction can improve a soundtrack while simultaneously moving it away from its composer’s original reference hardware.
This is a cool one! And the most revealing detail isn’t that the MU80 wins Novak’s tally, it’s his admission that he’d struggle to identify these devices blind, despite hearing obvious differences when switching instantly between them. For me it neatly captures the strange business of technological authenticity. You give people an A/B button and tiny discrepancies become enormous; give them Doom and something to shoot, and half those discrepancies evaporate. More interestingly, the recordings expose how slippery “accurate” becomes when software is part of a historical system. A soundtrack composed around an SC-55’s samples, effects, limited polyphony and slightly grubby output circuitry isn’t merely MIDI data awaiting a better renderer. Those limitations participated in the result. The MU80 can produce cleaner, deeper, more spacious audio and still be less faithful to the artefact the composer heard. The wonderful absurdity here is that a noisy output stage, quantisation artefacts and missing notes can eventually become features. Give any bug thirty years and someone will demand cycle-accurate emulation of it.
Marlowe Starling describes how ctenophores, or comb jellies, are challenging assumptions about early animal evolution
In Quanta Magazine; possibly the earliest branch of the animal family tree, they possess muscles, sensory systems and an unusual nervous system whose neurons can share continuous cytoplasm without synapses. Recent research has identified previously unknown cell types and genome structures, suggesting that features associated with complex animals may have appeared far earlier than expected. Ctenophores also provide researchers with unusually diverse experiments in biological adaptation. Different species illuminate mechanisms behind bioluminescence, embryonic development and survival under extreme pressure, while some can reverse from adulthood towards a larval state after starvation or injury. Deep-sea species use unusual membrane lipids to tolerate pressure, and developmental research has found signalling pathways shared with humans. Together, these discoveries make ctenophores useful for distinguishing ancient biological mechanisms from evolutionary innovations that appeared later.
Here, the detail that sticks with me is the ctenophore brought up from the deep sea and effectively falling apart. Its membranes contain plasmalogens that behave correctly under immense hydrostatic pressure. Remove that pressure and the same adaptation becomes catastrophic. Biology has configured the animal for an environment we experience as extreme, while our comfortable surface world is the hostile edge case. That is a useful corrective to the way we tend to think about biological complexity. Ctenophores look like translucent bags with disco lighting, yet they have a nervous system sufficiently alien that some neurons form one continuous cytoplasmic network. Their compact genome contains thousands of loops associated with cell specialisation. Some can apparently run development backwards when conditions deteriorate. “Primitive” starts looking like a particularly unhelpful adjective. So, computer science has trained us to expect abstractions to converge while implementations proliferate underneath, yet evolution appears capable of something similar, except nobody wrote the interface specification and several hundred million years of source control are missing...
ECHO digitally republishes Suzanne Ciani’s 1976 National Endowment for the Arts composer grant report
With commentary by Pierre Collard and Juan Parra Cancino, original tape examples, reconstructed diagrams and interactive illustrations; the report documents Ciani’s live-performance practice on a Buchla Series 200, particularly the rare Model 248 Multiple Arbitrary Function Generator, or MARF. Rather than catalogue features, Ciani explains a reusable performance patch and techniques for transforming sequences, rhythm, timbre and quadraphonic space in real time. The edition presents the Cookbook as both historical record and functioning manual. Ciani says she later returned to it when resuming Buchla performance because it contained sequences she had otherwise never documented. Her techniques treat the MARF as a performable processor for four pitch sequences, while spatial movement becomes another live musical parameter. The editors connect this approach with contemporary modular synthesis, noting that modern Buchla recreations have made techniques developed around extremely scarce 1970s hardware newly accessible.
Right, these MARF sounds peculiar even now: 16 stages of memory that could behave as sequencer, envelope, oscillator or something less easily named. Ciani then treated its ability to substitute external voltages for stage values as a performance surface. The machine didn’t simply execute her composition. She learned its consequences well enough to improvise through them, including probability, octave shifts and movement between four loudspeakers. Her description of transitions becoming almost reflexive makes the enormous patch feel closer to a violin than a programme. I think there’s something here that software instruments often struggle to preserve. Generality is easy when every parameter can be automated, saved and recalled. Ciani’s Buchla offered something messier: a constrained physical system whose possibilities had to become muscle memory. The Cookbook is valuable because it documents that relationship rather than merely recording settings. And its accidental longevity is wonderful! Ciani wrote it because a grant required paperwork, documented sequences she otherwise wouldn’t have bothered writing down, then decades later used that bureaucratic obligation to reconstruct her own technique. Sometimes documentation really does save the project.
Jimmy Maher examines why Lemmings failed to become an enduring mass-market franchise after its extraordinary 1991 success
The Digital Antiquarian traces the decline through increasingly complicated sequels, DMA Design’s waning enthusiasm, Psygnosis’s attempts to turn anonymous lemmings into marketable characters, and poorly fitting experiments including Lemmings 3D and Lemmings Paintball. Maher argues that no single decision destroyed the series; rather, successive choices moved it away from the accessibility, simplicity and distinctive tone that originally attracted non-gamers. Maher contrasts those failures with 2000’s Lemmings Revolution, developed at Psygnosis’s Leeds studio. Its 102 cylindrical levels retained the original eight abilities while adding switches, gravity-reversing gates and other mechanics that Maher considers natural extensions of the formula. The development team created nearly 200 levels before selecting the final set, despite Sony withdrawing funding near completion. Maher presents Revolution as evidence that Lemmings still worked when designers concentrated on carefully constructed puzzles rather than forcing the property into fashionable technologies or broader entertainment ambitions.
Ah! Lemmings had eight abilities; Lemmings 2 had 60. It’s an almost perfect example of sequel arithmetic, where adding possibilities looks like adding value until you’ve quietly destroyed the thing that made the original legible. I loved Lemmings! But that problem runs through Maher’s history. His first game accidentally found an audience beyond traditional players because its rules were immediately graspable, its creatures were anonymous enough to be disposable, and its morbidity remained funny because everything happened at tiny scale - that's what got me back then! Then everyone understandably tried to develop those properties. More abilities. Bigger characters. Personality. Narrative. 3D. Paintball. Each addition could be defended individually, while collectively they dismantled an unusually precise mixture - and it didn't work. So, Lemmings Revolution is interesting because its designers appear to have understood the difference between expanding a system and expanding its vocabulary. They restored the eight familiar abilities and put most of their invention into levels, obstacles and combinations. Creating nearly 200 levels to ship 102 also suggests where the complexity went: into the design process rather than onto the player’s control panel. Now I need to try it, again :)
Michael Domanic argues that 2027 will be dominated by computer use
AI agents operating websites and desktop applications through screens, keyboards and mice - that's computer use. Based on his experiments with OpenAI’s Astra, Domanic says improvements in speed and long-chain reasoning make this approach newly practical. Unlike agents dependent on APIs, connectors or MCP servers, computer-use agents can interact with existing human interfaces, potentially reaching legacy software, carrier portals and other systems lacking dedicated integrations. Domanic describes using Astra to operate Section’s own sales agents through their normal interfaces, revealing weaknesses in handoffs between individually capable tools. He identifies authentication, particularly MFA, as a major obstacle and suggests managed agent accounts or pre-authenticated sessions as possible approaches. Computer use is also expensive because repeated screenshots consume context-window capacity. He recommends experimenting where valuable data or workflows remain inaccessible through APIs, while checking platform terms and involving IT and information-security teams in access decisions.
Sure, computer usage could change software testing in ways the article only briefly touches. We spend considerable effort testing functions, APIs and individual interface flows, while many production failures live in the gaps between them. A proposal generator might work perfectly, as might a CRM update, yet the complete sales workflow can still be miserable. An agent capable of traversing the whole thing can test the system at the same abstraction level as its users. For me, the uncomfortable bit is that human interfaces are also where we’ve placed human safeguards. MFA is the obvious example. Domanic describes it as the “real wall”, and he’s right to push solutions towards IT-managed identities rather than shared credentials. Once autonomous software starts impersonating a user operationally, identity, permissions and audit trails become architecture rather than administrative housekeeping. I suspect computer use will be most valuable where it exposes organisational archaeology: the vital portal with no API, the forgotten internal application, the workflow held together by six browser tabs and somebody called Janet. The mouse isn’t the breakthrough. Reaching all the stuff behind it is.
My Week in AI
- Toward Recursive Self-Improvement How GLM Built Its Own Inference Infrastructure | z.ai
- Alibaba open-sources AI model that can detect cancer and nearly 150 conditions | scmp.com
- Laya — 33ms Multilingual System 1 Decision Engine | laya.convaiinnovations.com
- Announcing Koa Salesforce’s First CRM Reasoning Model, Built on NVIDIA Nemotron | salesforce.com
- OpenAI discloses six new safety incidents | axios.com
- Small Models Have Arrived | calv.info