Here’s an excerpt from Billboard‘s lists of top Pop/Rock songs of the 70s
1970
1. Simon/Garfunkel
Bridge Over Troubled Water
2. Carpenters
(They Long To Be) Close To You
3. Guess Who
American Woman/No Sugar Tonight
4. B.J. Thomas
Raindrops Keep Fallin’ On My Head
5. Edwin Starr
War
1971
1.Three Dog Night
Joy To The World
2.Rod Stewart
Maggie May/Reason To Believe
3.Carole King
It’s Too Late/I Feel The Earth Move
4.Osmonds
One Bad Apple
5.Bee Gees
How Can You Mend A Broken Heart
1972
1.Roberta Flack
The First Time Ever I Saw Your Face
2.Gilbert O’Sullivan
Alone Again (Naturally)
3.Don McLean
American Pie
4.Nilsson
Without You
5.Sammy Davis, Jr.
Candy Man
1973
1.Tony Orlando/Dawn
Tie A Yellow Ribbon ‘Round The Ole Oak Tree
2.Jim Croce
Bad, Bad Leroy Brown
3.Roberta Flack
Killing Me Softly With His Song
4.Marvin Gaye
Let’s Get It On
5.Paul McCartney/Wings
My Love
1974
1.Barbra Streisand
The Way We Were
2.Terry Jacks
Seasons In The Sun
3.Love Unlimited Orchestra
Love’s Theme
4.Redbone
Come And Get Your Love
5.Jackson Five
Dancing Machine
1975
1.Captain & Tennille
Love Will Keep Us Together
2.Glen Campbell
Rhinestone Cowboy
3.Elton John
Philadelphia Freedom
4.Freddy Fender
Before The Next Teardrop Falls
5.Frankie Valli
My Eyes Adored You
1976
1.Wings
Silly Love Songs
2.Elton John/Kiki Dee
Don’t Go Breaking My Heart
3.Johnnie Taylor
Disco Lady
4.Four Seasons
December, 1963 (Oh, What A Night)
5.Wild Cherry
Play That Funky Music
1977
1.Rod Stewart
Tonight’s The Night (Gonna Be Alright)
2.Andy Gibb
I Just Want To Be Your Everything
3.Emotions
Best Of My Love
4.Barbra Streisand
Love Theme From “A Star Is Born”
5.Hot
Angel In Your Arms
1978
1.Andy Gibb
Shadow Dancing
2.Bee Gees
Night Fever
3.Debby Boone
You Light Up My Life
4.Bee Gees
Stayin’ Alive
5.Exile
Kiss You All Over
1979
1.The Knack
My Sharona
2.Donna Summer
Bad Girls
3.Chic
Le Freak
4.Rod Stewart
Da Ya Think I’m Sexy
5.Peaches & Herb
Reunited