I listed some 70s songs for weddings. These songs would be great to play at your wedding. They are all on my must hear 70s songs list.
Burning Love - by Elvis Presley
I Just Want to Be Your Everything - by Andy Gibb
I Think I Love You - by David Cassidy & the Partridge Family
Love Will Keep Us Together - by Captain & Tennille
Make It with You - by Bread