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ST. LOUIS (KSDK) – Two of the five members of legendary singing group known for classics like "Aquarius/Let the Sunshine In" will perform in St. Louis this weekend.

Marilyn McCoo and Billy Davis were part of the 5th Dimension, one of the top singing groups of the late 60s and early 70s. In addition to "Aquarius," they also sang "Up, Up and Away," "Wedding Bell Blues," and "Stoned Soul Picnic."

After a decade with The 5th Dimension, they decided to leave the group and establish themselves as a duo. McCoo and Davis also appeared on a CBS primetime show.

The Lindenwood performances are scheduled for 8 p.m. Friday and 2 p.m. Saturday. Tickets are $48.50 for platinum seating, $42.50 for orchestra, $36.50 for parterre and $28.50 for balcony.

Watch the video above to see Kay Quinn's interview with the duo on First at Four.