2. an association of sporting clubs that organizes matches between member teams of a similar standard. 3. a class, category, or level: he is not in the same league. 4. in league working or planning together (with) 5. (modifier) of, involving, or belonging to a league: a league game; a league table.
Jack Johnson (musician) This article is about the rock musician. For the hip hop musician, see Jack Edward Johnson. Jack Hody Johnson (born May 18, 1975) is an American singer-songwriter, musician, actor, record producer, documentary filmmaker and a former professional surfer. Johnson is known primarily for his work in the soft rock and acoustic genres.
Jack & Diane. Jack & Diane is a 1982 hit rock song written and performed by American singer-songwriter John  Mellencamp, then performing as John Cougar.. It appears on Mellencamp's album American Fool. It was chosen by the Recording Industry Association of America (RIAA) as one of the Songs of the Century.