130 power chord diagrams for guitar in 12 keys with the names of the notes and the fingerings. 10 diagrams in the key of C, 10 in Db (C#), 12 in D, 10 in Eb (D#), 13 in E, 10 in F, 10 in F# (Gb), 12 in G, 10 in Ab (G#), 12 in A, 10 in Bb (A#) and 11 in the key of B.