SLeeper lps of 70s....

Here's a few:

April Wine-Harder, Faster
Charlie-Lines
Trooper-Knock'em Dead Kid
Billy Thorpe-Children of the Sun
Prism-Prism & See Forever Eyes
Amazing Rhythm Aces-Too Stuffed to Jump

Wishbone Ash's first album

The Book of Invasions, A Celtic Symphony
Horslips

Blue Jays
Justin Hayward/John Lodge

Butts Band
The Butts Band

The Northstar Grassman And The Ravens
Sandy Denny

City Boy
City Boy

Quah
Jorma Kaukonen

Sleeper Catcher
Little River Band

Hero and Heroine
Strawbs

Second Chapter
Danny Kirwan

If you want a real sleeper,check out
Chilliwack "All Over You"

everything released by "Big Star" - Alex Chilton's band. Winner. Hands-down.

"...Before it broke up, Big Star created a "seminal body of work that never stopped inspiring succeeding generations" in the words of Rolling Stone,[1] earning recognition decades later, according to Allmusic, as the "quintessential American power pop band" and "one of the most mythic and influential cult acts in all of rock & roll"..."