Henry Gross

Henry Gross is an American singer-songwriter best known for his association with the group Sha Na Na and for his hit song, “Shannon”. Gross is considered a one-hit wonder artist; none of his other songs reached the Top 20 on the Billboard Hot 100. However, his single “Springtime Mama” was a top 40 hit in the summer of 1976, peaking at #37.

Biography summary from English Wikipedia, photograph via Wikimedia Commons.