On January 26, 1970, Simon & Garfunkel released “Bridge Over Troubled Water,” which went on to eclipse their previous two No.1 hits: “The Sound Of Silence” and “Mrs Robinson.” “Bridge Over Troubled Water” stayed at the top of the Hot 100 list for six weeks and was the last collaboration for the duo, who parted ways after this achievement. Billboard named it top song for 1970.
Billboard ranked Three Dog Night's, “Joy To The World,” the most played and bestselling song of 1971 and the second No. 1 hit for the pop-rock group, based in Los Angeles. A previous hit, “Mama Told Me (Not To Come),” made it to No.1 in 1970.
Roberta Flack's song from "First Take," her first album, “The First Time Ever I Saw Your Face," went to the top of the charts and was included onthe soundtrack for Clint Eastwood's movie, “Play Misty For Me.” Billboard listed this as top song of 1972.
The top song for 1973, "Tie a Yellow Ribbon," by Tony Orlando and Dawn, reached No. 1 on the Hot 100. The song held on for four weeks and earned a Grammy nomination.
Marvin Hamlisch and Alan and Marilyn Bergman wrote Barbra Streisand’s first No.1 single, “The Way We Were." Billboard's top song for 1974 won a Grammy for Song of the Year and an Academy award for Best Song.
The top song of 1975, “Love Will Keep Us Together” by Toni Tennille and Daryl Dragon, stayed at the top of the charts for four weeks and won the Grammy award for Record of the Year.
Paul McCartney and Wings enjoyed success with "Silly Love Songs," which went to No. 1 on the Billboard Hot 100 for five weeks. Billboard named it the top selling and most played song for 1976.
The top song for 1977, Rod Stewart’s “Tonight’s The Night (Gonna Be Alright)," spent seven weeks at the top of the Hot 100.
Andy Gibb's third No. 1 hit, "Shadow Dancing," made the solo artist the first to achieve three consecutive hits in the No. 1 spot on the Hot 100.
The Knack released “My Sharona” in 1979. It went on to become the top song for the year, staying at the top of the chart for six weeks.