This Vamp is 1 of 12 in a FREE playlist covering all 12 Dominant 7th chords. All 12 Dominant 7th One Chord Vamp Backing Tracks can be found here https://buff.ly/44opDPW
This simple One Dominant Chord Vamp has loads of space for you to refine your guitar, bass, keyboard, etc improvisation.
Practise scales - Major Pentatonic, Mixolydian, Dominant Pentatonic, arpeggios, triads, diatonic chords, different chord voicings, etc.
Good Luck and Get Your Blues On!
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