Key signatures .............. DONTPRINTYET Music Glossary: (music-glossary)key signature, *noteDONTPRINTYET Music Glossary: (music-glossary)key signature, (music-glossary)major, (music-glossary)minor. The key signature is set with the command ‘\key’ followed by a pitch and ‘\major’ or ‘\minor’. \key d \major a1 | \key c \minor a1 | [image src="" alt="[image of music]" text="image of music" ]