APPENDIX A TABLE OF EQUIVALENT BEAT RATES CAPITAL LETTERS ARE USED FOR KEY NAMES b means flat; # means sharp Numbers are key numbers The first named is the lower note of the interval Reading from left to right, all intervals on a line will beat at approximately the same rate. MAJOR THIRDS MAJOR SIXTHS MINOR THIRDS MINOR SIXTHS C-28/E-32 Bb-26/G-35 G-23/Bb26 E-20/C-28 Db-29/F-33 B-27/G#-36 G#-24/B-27 F-21/Db-29 D-30/F#-34 C-28/A-37 A-25/C-28 F#-22/D-30 Eb-31/G-35 Db-29/Bb-38 Bb-26/Db-29 G-23/Eb-31 E-32/G#-36 D-30/B-39 B-27/D-30 G#-24/E-32 F-33/A-37 Eb-31/C-40 C-28/Eb-31 A-25/F-33 F#-34/A#-38 E-32/C#-41 C#-29/E-32 Bb-26/F#-34 G-35/B-39 F-33/D-42 D-30/F-33 B-27/G-35 Ab-36/C-40 F#-34/D#-43 Eb-31/Gb-34 C-28/Ab-36 A-37/C#-41 G-35/E-44 E-32/G-35 C#-29/A-37 Bb-38/D-42 Ab-36/F-45 F-33/Ab-36 D-30/Bb-38 B-39/D#-43 A-37/F#-46 F#-34/A-37 D#-31/B-39 C-40/E-44 Bb-38/G-47 G-35/Bb-38 E-32/C-40