live performance

Sam Aaron live codes an ambient electronic set using Sonic Pi, the music programming environment he created. The performance shows code driving music in real time.

A long live-coded DJ set in which Sam Aaron creates all the music in real time by writing code in his Sonic Pi system. It demonstrates algorithmic electronic music performance.

Footage of Stefani Germanotta, later Lady Gaga, performing 'Captivated' and 'Electric Kiss' at NYU's Ultraviolet Live talent show in 2005-era college days. It shows her singing and playing before she became famous.

Stevie Wonder performs 'Superstition' on Sesame Street in 1973, with kids dancing along. It is a feel-good live music performance.

A live KEXP warm-up set by the Delvon Lamarr Organ Trio, recorded at Upstream Music Fest in 2017. The set includes Move On Up and Memphis.

A one-minute clip of Rochus Keller performing as a one-man band: slap bass with the left hand, Rhodes and lead guitar with the right, and drums with the feet.

Johnny Cash's live performance of A Boy Named Sue at San Quentin in 1969, a comic country song about a man named Sue seeking revenge on his father.

Drummer Danny Carey performs Tool's 'Pneuma' live in Boston, in a Vic Firth session with close views of his playing.

A 1967 live film of Tom Lehrer performing his patter song "The Elements" in Copenhagen, reciting the chemical elements to a Gilbert and Sullivan tune. It is a short, polished example of his satirical piano-and-voice style.

A Tiny Desk concert in which pianist Dan Tepfer plays with a Disklavier player piano driven by a program he wrote that responds to his playing. He performs four pieces from his Natural Machines project.

The Who performing Won't Get Fooled Again at Shepperton Studios in 1978, filmed for The Kids Are Alright. It was Keith Moon's last performance with the band.

Chris McCord's ElixirConf EU 2019 keynote introducing Phoenix LiveView, which builds interactive server-rendered apps without writing JavaScript. It explains how only changed dynamic parts are sent over a websocket.

Phoenix creator Chris McCord builds a real-time Twitter-style app live with Phoenix LiveView 1.5 in about 15 minutes. It shows interactive, real-time updates without writing JavaScript.

Wendover Productions explains why drone delivery has not become the future once promised. It covers no-fly zones, costs and the difficulty of the final drop-off.

A first-day ride-along with an Amazon delivery driver using the Rivian electric delivery van. She covers the van's new technology, how it compares to the standard Ford Transit delivery vehicles, and quirks and issues she noticed on the job.

Smalltalk pioneer Dan Ingalls presents the Lively Kernel at JSConf US 2012, a live, direct-manipulation programming environment running in the browser. He shows drag-and-drop building of live objects on the web.

A Google Tech Talk on Yahoo's 14 rules for faster web pages and the YSlow tool. It covers front-end practices like avoiding @import and fixing ETags, with live analysis of popular sites.

Sam Aaron, creator of Sonic Pi, gives a demo-heavy GOTO Chicago 2018 talk on live coding music. He covers the history of Sonic Pi, how it evolved, and what it can do for education and professional musicians.

A long livestream of George Hotz live-coding a toy SLAM implementation, twitchslam, over two days in May 2018. It is an unedited session of Python programming with computer vision and visualization.

A Wendover Productions documentary-style video on how Zipline delivers blood and medical supplies by drone in Rwanda. It covers the catapult launch, parachute drop and the logistics behind it.

YouTuber Josh Pieters lists microwave meals on Deliveroo as if from a restaurant and sees whether anyone orders them. The stunt shows how little vetting the platform applied.

A Netflix performance engineer presents how Netflix tunes EC2 instances, covering instance type choice, Xen modes, SR-IOV and kernel tuning. The goal is near bare-metal performance in the cloud.

Chris McCord's ElixirConf EU 2023 keynote tracing LiveView's evolution from simple form validation to full apps, with code examples and live demos of what 1.0 will offer.

A short CNBC report on Zipline, which has delivered medical supplies by drone in Rwanda since 2016 and is preparing to start in the U.S.

A live, overdub-free performance of 'Lingus' by Snarky Puppy, from the 'We Like It Here' DVD recorded in Utrecht. It features a Cory Henry keyboard solo.

Musician Thoj performs a live looping session on the Teenage Engineering OP-1 synthesizer, building a deep house track layer by layer.

Reggie Watts performs at TED 2012, blending vocal looping, beatboxing, poetry and comedy across musical genres in a larger-than-life improvised set.

Chandler Carruth's CppCon 2014 talk on writing fast C++, explaining why data structure choice and memory layout matter more than clever algorithms. It covers why standard containers like unordered_map perform poorly on modern CPUs.

Brian Peiris demonstrates RiftSketch, a web app where you write JavaScript with Three.js while wearing an Oculus Rift and watch the world around you change live. It runs on Firefox builds with WebVR.

Allieway Audio gives an informal introduction and live-coding demo of ORCA, a free esoteric programming environment for building procedural sequencers from Hundred Rabbits. It walks through the interface and how to make music with it.

John Carmack live-codes a simple VR application at Oculus Connect 2 using a Racket-based environment for rapid development and deployment on Gear VR.

A CppCon 2018 talk arguing that OOP has failed to deliver on reuse and performance, and presenting data-oriented design for C++ with practical worked examples from real systems.

Malte Skarupke's C++Now 2018 talk on hash table performance, explaining why std::unordered_map is slow and memory hungry and presenting faster designs, including his bytell hash map.

Emery Berger's CppCon 2020 plenary on why performance is hard on modern hardware after the end of Dennard scaling. It covers benchmarking pitfalls and introduces new profiling tools for finding real bottlenecks.

A brief demo of the Smalltalk debugger, including defining a method that doesn't exist yet while the program is stopped mid-crash.

A short clip from John Carpenter's They Live showing how the special sunglasses reveal hidden messages behind ads and media.

A full-length recording of Tom Lehrer's 1967 concert in Copenhagen, mixing his satirical songs with spoken comedy between numbers. It runs about 51 minutes with good audio for its age.

The earliest existing concert video of Kraftwerk, from a 1970 performance shortly after the band formed. It shows the band in its original setup and the audience's reactions.

A solo performance of Steve Reich's Piano Phase, with one pianist playing both parts, recorded in 2004 with Reich in attendance. It is a 15-minute minimalist phasing piece.

Bret Victor's talk at CUSEC 2012 in which he argues that creators need immediate feedback and should organize their work around a guiding principle. He demonstrates live-coding and animation tools that show results as you type, and describes his own principle that creators must see what they are making.