Beatlume

Place steps on a grid and the phone plays them back as vibration and light, with no sound at all. There are six lanes (thud, crack, tick, shake, clap and rim), and each one can run its own length of 8, 12, 16, 24 or 32 steps, so uneven loops drift apart and meet again a few bars later. Tempo goes from 60 to 200 BPM. Swing pushes the off-beats late, while single steps can be ghost notes or accents and even play only some of the time. Five rigs change how the vibration feels, from soft Velvet to the sharp snap of Strobe. Finished beats go on the shelf as sleeves with tags; chain up to four of them into one track, or copy a beat as a short text code and send it to a friend. The School holds 24 rudiments from funk, reggae, techno, drum and bass and eight more genres. In Echo you rebuild a pattern by feel across 30 trials. A story follows a young drummer through six venues of a neon city.…