When were the group, that provided vocals for 1974 hit TSOP, originally formed ?
TSOP (The Sound of Philadelphia) "TSOP (The Sound of Philadelphia)" is a 1974 hit recording by MFSB (Mother, Father, Sister, Brother) featuring vocals by The Three Degrees. A classic example of the Philadelphia soul genre, it was written by Kenneth Gamble and Leon Huff as the theme for the American musical television program "Soul Train", which specialized in African American musical performers. The single was released on the Philadelphia International label. It was the first television theme song to reach number one on the "Billboard" Hot 100, and it is arguably the first disco song to reach that position.
The Statler Brothers The Statler Brothers (sometimes referred to in country music circles as simply The Statlers) were an American country music, gospel, and vocal group. The quartet was formed in 1955 performing locally and, in 1964, they began singing backup for Johnny Cash.