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This is an A♭ major Mixolydian rock backing track: straight-eighths rock: driving root-note bass and palm-muted power chords with an open hit on the strong beats. It plays the I – ♭VII – IV – I (Mixolydian rock) progression in A♭ major at 100 BPM in 4/4, round and round, so you can practise soloing, rhythm or both.
A♭ and G♯ are the same pitch; the chords are spelled in A♭. The player above is set to this track. Press Play, slow it down or speed it up, mute the guitar to play the chords yourself, or mute the bass to play the bass line. You can also switch key or style without leaving the page.
How the band plays it
Straight eighth notes, a big backbeat on 2 and 4, and a bass that locks to the kick drum, playing the root on every eighth.
The chords
I – ♭VII – IV – I: a major key with the flattened seventh chord borrowed from Mixolydian, the sound of classic rock. In A♭ major that is A♭, G♭, D♭.
1A♭
2G♭
3D♭
4A♭
In numbers: I = A♭ · ♭VII = G♭ · IV = D♭. The numbers count from the key’s root, so the same progression works in any key.
The shapes the guitar plays
Power chords: the root and fifth, with the octave on top. Palm-mute them for the chug, let them ring on the accents.
Play the rhythm part yourself
Palm-mute the power chords on the eighths and lift your palm for an open, ringing hit on the first beat of each bar. Mute the guitar in the player and the band leaves the part to you.
What to solo with
A♭ mixolydian: A♭ B♭ C D♭ E♭ F G♭. The ♭VII chord comes from it.