Ronnie Mack

Bright Tunes Music, the company which owned the rights to "He's So Fine", won a notable lawsuit against George Harrison, starting in 1971, for subconscious plagiarism of Mack's tune in writing "My Sweet Lord". Much of the eventual settlement of $587,000 damages was paid to Mack's surviving family.

After his death, his mother Louise Mack attended a songwriters' convention at which her son won an award for "He's So Fine", and in accepting the award on his behalf gave a moving speech. Songwriters Lamont Dozier and Eddie Holland, who were also at the event, were inspired by the speech, remembered Mack's name, and co-wrote the song "Jimmy Mack", with its chorus of "Jimmy Mack, when are you comin' back?". Recorded by Martha and the Vandellas in 1964, "Jimmy Mack" became a major hit for the group in 1967.

By the time "He's So Fine" had started to become a chart hit, Mack was already terminally ill with Hodgkin's lymphoma. He died, aged 23, in 1963, by which time the royalties received for the song had begun to raise his family out of poverty.

The Chiffons re-recorded "He's So Fine" with members of the Tokens and with Carole King on piano, and it was released by Laurie Records in late 1962, reaching number one on both the Billboard Hot 100 and the R&B chart in March 1963. As a follow-up, the Chiffons also recorded another of Mack's songs, "Lucky Me", but it was unsuccessful.

Mack moved to the Bronx but kept in touch with his Harlem friends and continued writing songs. He started writing for, and managing, another vocal group, the Young Lads, featuring lead singer Jimmy Rivers, and suggested that they add a female singer, Joyce Peterson's younger sister Sylvia. The group then became Four Bees and a Gee (for four boys and a girl), and auditioned with several of Mack's songs for Richard Barrett at Gone Records. Barrett renamed the group the Tops, and recorded them on one of Mack's up-tempo songs, "Puppy Love" (not the song of the same name written by Paul Anka). The song was first issued in late 1958 on the V-Tone label, and then on several other labels credited to Little Jimmy Rivers and the Tops. In late 1961, it was re-promoted and reissued more successfully in Philadelphia, and Rivers appeared as a solo act performing it on American Bandstand, but it failed to make the national charts.

Ronnie Mack (known to his friends as Rocco) grew up in Harlem, New York City, and loved music from childhood, teaching himself to play piano. By the mid-1950s he started writing songs, and also performed in a doo-wop vocal group, the Marquis, which unusually for the time featured a female lead singer, June Bateman (who later married musician Noble "Thin Man" Watts). In 1956, the group recorded a song co-written by Mack, "Bohemian Daddy", for the Onyx record label. After the Marquis split up, Mack formed a new group, the Highlights, who included singer Joyce Peterson, but they never recorded.

Ronald Augustus Mack (July 11, 1940 – November 5, 1963) was an American songwriter, singer and talent manager who wrote "He's So Fine", a number one chart hit in 1963 for the Chiffons and the apparent inspiration for George Harrison's "My Sweet Lord". Mack's early death reportedly inspired Holland, Dozier and Holland to write the song "Jimmy Mack".