Grover-Trophy Clarinet Marching Lyres Clarinet Marching Lyres Marching lyres make it easier to keep your music organized and viewable while doing parades and halftime shows A great way to keep your music handy while memorizing a show as well Marching lyres make it easier to keep your music organized and viewable while doing parades and halftime shows A great way to keep your music handy while memorizing a show as well