BT's Tabs is a browsable songbook for musicians who want to learn a tune the moment it comes to mind. Every entry in the library gives you the lyrics with the chords written directly above the words, so you can strum and sing without flipping between pages. Alongside the chord sheet, each song includes playable tablature written out for guitar, piano, mandolin, banjo, and bass — the five instruments the songbook is built around.

The library focuses on traditional, folk, gospel, and old-time country music: the songs that have been passed from player to player for generations. Everything here is drawn from the public domain or from traditional sources, which means you can learn it, perform it, teach it, and print it without worrying about rights. Song pages also include the key, tempo, difficulty level, and a chord progression summary, so you know what you are getting into before you start.

BT's Tabs is made for anyone who plays by ear or by tab: a beginner picking up a first instrument, a banjo player hunting for a breakdown, a guitarist leading a singalong, or a teacher who needs a clean sheet to hand out. Beyond the songs, the app collects a handful of practical tools — a microphone-based tuner, a chord glossary with diagrams, reading guides for each instrument, and practice tips for building a routine.

The songbook is built and maintained independently by BT, with new tunes and arrangements added over time. If there is a traditional song you would like to see written out, you can send it in through the song request page.