Not much. However, momentarily I'll be singing at 11 AM Mass. We're doing my favorite piece of music (and a lot of other choir members, too) as the prelude to Mass--Peter Wilhousky's version of The Battle Hymn of the Republic. We have two choirs in my church, actually; a "Contemporary Choir" that uses an electric bass, an occasional acoustic guitar, drums, etc., in addition to a piano for accompaniment; and an "Adult Choir" that uses either a pipe organ or a piano for accompaniment. Today, the two are combined. Being a tenor, my section is heavy in the BHOTR. But, in the Wilhousky version (also sung by the Mormon Tabernacle Choir), there's two tenor voices in the third verse. I volunteered to sing the Tenor 2 part--the lower part. I've never done it (I have practiced it, but never done it at Mass). This should be interesting. I'd post the vid of the Mormon Tabernacle Choir doing it, but it's been removed from YouTube.