This is Heather's Song by Diana Palmer. I don't know why it has that title and author!!!
Tammie Y. (DPfan) reviewed Heather's Song (Silhouette Special Edition, No 33) on + 54 more book reviews
Fair condition; Story of Heather Shaw and Cole Everett. She sang songs of love she did not fully understand but with Cole's help she would leave innocence behind and taste the fruits of knowledge and desire.