Question: Who was the lead singer on the A-side of the record which reached No. 35 on the Billboard Hot 100, and had Thank You Girl as it's B-side ?
Sentence (from "Do You Want to Know a Secret"): In the United States, it was the first top ten song to feature Harrison as a lead singer, reaching No. 2 on the Billboard chart in 1964 as a single released by Vee-Jay, VJ 587.
Relevant evidence: Yes