Neely, Blake Keyboard: Chords & Scales / Blake Neely y Gary Meisner - Milwaukee, WI : Hal Leonard Corp., ©1997. - 64 p. - FastTrack music instruction. . Basic Chord TheoryDiagrams for over 1650 chordsBasic scale and mode theoryPatterns for 10 scales and 7 modes"Jam sesions" with common chord progressions Subjects--Topical Terms: INSTRUMENTOS DE TECLADO INSTRUMENTOS DE TECLADO ACORDES (MUSICA) Dewey Class. No.: 786.3 / N379 key