Vandoren 5RV/5RV-Lyre family of Bb Clarinet Mouthpieces Variation:5RV but check your instrument to

but check your instrument to be sure

Seven-Eight

Sometimes it's good to have a backup

when I played the Légère up against D'Addario

Want cleaner

Vandoren 5RV/5RV-Lyre family of Bb Clarinet Mouthpieces Variation:5RV but check your instrument toThe 5RV is a great choice for an all around mouthpiece. I've personally found that it is forgiving with "meh" reeds. (In my experience, I would estimate about a 75 80% success rate, which is pretty darn good). But did you ever wonder what RV stands for? Well, it's Robert Van Doren, who put his initials on the mouthpiece in the 1930s. Now, the 5RV Lyre is a 5RV with a slightly longer facing and larger tip opening. This is probably the mouthpiece that