Old love songs include: "I Only Have Eyes for You" by the Flamingos, "Love Me Tender" by Elvis, "In My Life" by the Beatles, "Stand by Me" by Ben E. King, and "Pretty Woman" by Roy Orbison.
Here is some oldie love songs to play at your parents anniversary party:
All My Life
Because You Loved Me
Brown-eyed Girl
Butterfly Kisses
Can't Get Enough Of Your Love, Babe
Can't Help Falling in Love
Crazy
Let's Get It On
The Dance
The Way You Look Tonight
Unchained Melody
What a Wonderful World