Finding a song that goes like" over like a summer song....... I snuck in the backdoor......"?

I heard it on sirius "Nashville" and the parts I remember are " next I new my innocence was gone.... A few months and still no call..... My friend told me he saw her...... gone like a summer song..." Please tell me what this song is... Its driving me nuts not knowing lol I remember the artist name had a "y" in it near the begining