My sister has asked me who did a song (I'm pretty sure it was a hit in the 70s) whose last line was "I'll be in love with you."
I'm pretty weak on 70s music, and I thought someone here would know.
As I recall, the singer has a fairly high voice, and I would call the song soft rock, maybe 70s folk rock.
My sister says that the melody goes:
g ed efgagecd
g ed efgaba
g ed efgagecd
gfe(flat) dc
Thanks!