'Captain' Daryl Dragon and Toni Tennille

Captain & Tennille, the married singing duo behind hits like "Love Will Keep Us Together," have split after 39 years of marriage, TMZ reports.

Cathryn Antionette "Toni" Tennille filed for divorce from "Captain" Daryl Dragon in Arizona.

The couple met in 1972 when Tennille was the co-writer for a musical and Dragon was the keyboardist for The Beach Boys. She later toured with the band for a year as an additional keyboardist.

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They began performing together at an Encino, Calif., restaurant, where they were discovered by Neil Sedaka. They married on Nov. 11, 1974, and hit No. 1 on the Billboard chart the next year with their cover of Sedaka's song, "Love Will Keep Us Together," which also won a Grammy Award for Record of the Year.

Some of their other biggest hits include "Do That to Me One More Time," "The Way I Want to Touch You," "Shop Around" and "Muskrat Love."

They starred in their own ABC variety show, The Captain and Tennille Show, which aired from 1976-1977, as well as several other specials for the network. In recent years, they released their first-ever Christmas CD in 2006 and recorded two songs for the Cartoon Network special Casper's Scare School.

Captain & Tennille have no children.