Jack Leroy Wilson Jr. was an American singer of the 1950s and 1960s. He was a prominent figure in the transition of rhythm and blues into soul. Nicknamed "Mr. Excitement", he was considered a master showman and one of the most dynamic singers and performers in soul, R&B, and rock and roll history. He hailed from Highland Park, a suburb of Detroit.

"Danny Boy" is a song with lyrics written by English lawyer Frederic Weatherly in 1910, and set to the traditional Irish melody of "Londonderry Air" in 1913.