Here is what you missed:
Echo & The Bunnymen - The Cutter
Ed Byrnes & Connie Stevens - Kookie Kookie
Edie Brickell & New Bohemians - What I Am
Eric Burdon & The Animals - Sky Pilot
Flash & The Pan - Hey, St. Peter
Flatt & Scruggs - Foggy Mountain Breakdown
Friend & Lover - Reach Out Of The Darkness
Frank & Moon Zappa - - Valley Girl
Gary Puckett & The Union Gap - Lady Willpower
Hale & Pace And The Stonkers - The Stonk
Hall & Oates - Method Of Modern Love
Ham & Ex - I Haven't Got a Hat
Hank Ballard & The Midnighters - Finger Poppin Time
Little Caesar & The Romans - Those Oldies But Goodies
Huey Lewis & The News - Hip To Be Square
James Ingram & Michael McDonald - Yah Mo Be There
Jan & Dean - Dead Man's Curve
Jay & The Americans - Come A Little Bit Closer
Jay & The Techniques - Apples, Peaches, Pumpkin Pie
John Fred & His Playboy Band - Judy In Disguise
Jacksons & Mick Jagger - State Of Shock
KC & The Sunshine Band - Get Down Tonight
Kool & The Gang - Celebration
Les Paul & Mary Ford - The World Is Waiting For The Sunrise
Lonnie Donegan & His Skiffle Group - Does Your Chewing Gum Lose It's Flavor on the Bedpost Overnight?
Lonzo & Oscar - I'm My Own Grandpa
Love & Rockets - So Alive
Martha Reeves & The Vandellas - Heat Wave
Mel & Kim - That's the Way It Is
Mike & the Mechanics - All I Need is a Miracle
Morris Minor & The Majors - Stutter Rap
Nancy Sinatra & Frank Sinatra - Somethin' Stupid
Paul McCartney & Wings - - Band on the Run
Paul Revere & The Raiders - Mr Sun Mr Moon

...but you can see that there are many letters left in my alphabetical list, so I'll continue at a later date...

Heee! You really like that "cyst valley" hypernym, don't you?