Has anyone ever played any Don Marsh orchestrations of familiar Christmas music for orchestra? The harp part is very strange indead. Lead sheet format so one system (line) of music notes that have and (X) for a note head and a squiggly line next to them or sometimes a straight line. There are square note head with the cord written above. I assume the normal notes with a squiggly line and the words (g scale) mean a scale gliss but not too sure. Another notation states (arp. oversweep) I know how to play from standard lead sheet but this is quite confusing. Any suggestions?