The other tools
Chord book
Find the chords to more than 2,300 songs. Piano popover to see the notes in every chord, transposition, suggested capo and Spotify sync. Free, no ads.
Harmonica Hub
Work out which diatonic harmonica to use based on the song's key, understand the positions (1st, 2nd, 3rd…), and visualize the Richter layout and tonic holes. Free tool for harmonica players.
Saxophone Hub
Which note do you play on alto or tenor sax to sound in the right key? Exact transpositions for all 4 saxes, fingerings on a clickable sax, comparison tool, classic riffs and styles. Free.
Bass Hub
Visualize the 4-string bass fretboard (E-A-D-G), spot the notes and scales fret by fret, and tie it all back to your chord book. Free tool for bass players.
Scales & keyboard
Explore major and minor scales and the modes on an interactive keyboard, and find them on guitar, bass and ukulele. See the notes, the degrees and the chords in a key. Free.
MIDI Studio
Plug in a USB MIDI keyboard and play online with 128 General MIDI instruments: detection of the chords you play, active scale, harmonic degree, metronome, 4-layer looper and recording. Free, in the browser.