Combining rests, like Finale 2014 verison...

Unable to compile LilyPond input file:

line 4 - column 1:
unknown escaped string: `\partcombine'
--------
line 4 - column 1:
string outside of text script or \lyricmode

Trombone illustrations

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Pedal tones

 

Partials

 

Music theory illustrations

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Whole tone scales