... but this may give us some reason to smile. Major and minor differences between Bluegrass, Celtic and Oldtime (found this somewhere on the web): The Music Old Time and Celtic songs are about whiskey, food and struggle. Bluegrass songs are about God, mother and the girl who did me wrong. If the girl isn’t dead by the third verse, it ain’t Bluegrass. If everyone dies, it’s Celtic. A Bluegrass band has between 1 and 3 singers who are all singing about an octave above their natural vocal range. Most Old Time and Celtic bands have no singers at all. If a Celtic band has a singer, it is usually either a bewhiskered ex-sailor, or a petite soprano. A Bluegrass band has a vocal arranger who arranges three-part harmonies. In an Old Time band, anyone who feels like it can sing or make comments during the performance. In a Celtic band, anyone who speaks during a performance gets ‘the look.’ Celtic songs are preceded by a call for silence and a detailed explanation of their cultural signifi...