Wes was a songwriter and producer. He was the producer on Cowsill songs Indian Lake and The Path Of Love. Wes left The Cowsills and went to work with The Partridge Family.
Alton Illinois's Telegraph newspaper dated March 3, 1996 contained the following:
Wes Farrell, wrote Hang On Sloopy
MIAMI (AP) - Wes Farrell, a 1960s pop songwriter whose hits included Han On Sloopy, died of cancer Thursday, Feb. 29, at 56.
Several of his songs became Top 10 singles, including Come a Little Bit Closer, recorded by Jay and the Americans in 1964, and Come On Down To My Boat, recorded in 1967 by Every Mother's Son.
The McCoys had a Top 10 hit in 1965 with Hang On Sloopy.
In 1963 the Beatles recorded his song Boys.
Farrell also produced music for the Cowsills, the Everly Brothers and Wayne Newton. In the 1970s he created the music for The Partridge Family TV series.