Misc: What continent did Britain first begin to colonise in 1788?

Questions

Which ex-Byrd provides backing vocals on "All The Wrong Reasons"?

Who is Tom refering to in the line "Me & Del were singing 'Little Runaway'"?

Dolly Parton's biggest top 40 hit, it spent two weeks at #1?

Fast paced hit from Grease was a hit for John Travolta & Olivia Newton-John?

J. Geils BAND's Centerfold video started career of this former VJ?