[1] For the week ending Jan 6, 1968, the single was bubbling under the Billboard Hot 100 at No.
[7] The B-side to "Do What You Gotta Do" was the composition by Willie Hutch, "Now I Know What Love Is".
[8] It was one of a number of songs that Hutch wrote for Wilson, which included "Who Could Be Lovin' You" and "Getting Ready for Tomorrow".
[9] It would eventually become a Northern soul hit and enduring favorite on the scene,[10][11][12] possibly influencing some record sellers to list the record in auctions with "Now I Know What Love Is" as the A-side instead of its proper allocation as the B-side.
The credited producer was Stroud Productions and Enterprises, Inc., and it was arranged and conducted by Horace Ott.
[17] It was released double-sided together with "Ain't Got No, I Got Life" in the UK and reached No.
[26] It has also been recorded by Bobby Vee, Clarence Carter, Paul Anka, and Ronnie Milsap.
A version appeared on the Cher and Gregg Allman duet album Two the Hard Way.
Kanye West sampled Nina Simone's recording on his 2016 album The Life of Pablo, in the controversial track "Famous," with the lyrics being sung/interpolated by Rihanna.