Every note is built live by your browser's synth: there are no recordings. Phones pause live synths when an app is minimized or the screen locks, so keep Drumline Radio open while you listen.
To save battery while it plays, dim the player or start the black screensaver. While music plays with either one on, your screen stays awake.
Space play/pause · ←/→ station · 1–4 style · C category · M mute · R repeat · S screensaver