This handy, 3 1/2" by 5" booklet contains essential chord diagrams in all keys for four-string electric bass. Arranged alphabetically, major, minor, dominant seventh, 7sus, minor 7th, major 7th, diminished augmented, sixth, minor sixth, 7-sharp-5, and 7-flat-5 chords are given in every key. The chord diagrams are followed by the standard 12-bar blues progression written out in all keys in chord symbols.