It was during this session that Bacharach first took note of young Dionne Warwick's vocal qualities and asked her to do some demo singing. She recalled to Mojo
magazine October 2012; "We were contracted by Leiber and Stoller to come in and do background sessions. We'd have no idea who the writer of the song was beforehand or what the song was. One day we got the call to come to New York's Bell Sound studios, where we were told we would be providing background vocals on The Drifters' 'Mexican Divorce.' I didn't know who Burt Bacharach was. Or that he'd written the song, but he was at the session. We heard the song through twice and then came up with the background. It wasn't hard. My mother said I came out singing and I had sung in church and in the gospel group The Gospelaires. My mum sung in The Drinkard Singers, it was a musical family. It's what we did.
After the session ended, Burt Bacharach came over and introduced himself to me. He said he liked my voice and he asked me if I'd be interested in doing some demonstration records with him and his new song writing partner Hal David. I said yes, and that led to my first solo recording." ("Don't Make Me Over