Jeri's got it quite right An occasional tune/instrumental piece is fine, but sometimes, on Fridays, they have a tendency to predominate over the songs. What we are looking for is a singing session.

Songs can be a cappella or accompanied; it's the singers choice. There's nothing at all wrong with a lead in , or an interlude on a whistle as part of the presentation.

As Jeri said, Be Polite and Pay Attention -- Tom