The follow-up album , Sniper and Other Love Songs was released the same year . The single , Sunday Morning Sunshine became a top 30 Billboard Adult Contemporary hit . The album 's signature song , Sniper , is an almost 10 minute long ballad about the University of Texas tower shooting . The album also contained the Chapin anthem , Circle . The album sold 350,000 units
University of Texas tower shooting
University of Texas tower shooting
Harry Chapin discography