Which 1847 Giuseppe Verdi opera, based on Shakespeare, features choruses of singing witches?

In the 1969 Broadway musical "1776", the song "He Plays the Violin" is sung about which Founding Father? In 1927 Al Jolson sang which Irving Berlin song in "The Jazz Singer", a tune that became a hit for Willie Nelson about… Which pop duo had a 1989 hit with "Blame It on the Rain"? Which Motown group had a 1978 No. 1 hit with the ballad "Three Times a Lady"? Which "Bonanza" star topped the charts in 1964 with the spoken-word western ballad "Ringo"? Shalamar's song "Dancing in the Sheets" appeared on the soundtrack of which 1984 Kevin Bacon film? Gerry Rafferty had a 1978 hit with a song named after which London street? Which cocktail names a 1961 Ray Charles instrumental hit that had been a vocal hit for the Clovers in 1952?