12 Hole Chromatic Key of C Db F Ab Db Db F Ab Db Db F Ab Db Slide in C# E# G# C# C# E# G# C# C# E# G# C# Slide out Blow C E G C C E G C C E G C hole 1 2 3 4 5 6 7 8 9 10 11 12 Slide out Draw D F A B D F A B D F A B Slide in D# F# A# B# D# F# A# B# D# F# A# B# Eb Gb Bb C Eb Gb Bb C Eb Gb Bb D