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Jul 24, 2026

Diana Ross Left the Supremes — Then Opened Her Solo Career With a No. 1 Classic

A new beginning for Diana Ross

In 1970, Diana Ross was standing at the beginning of a completely new chapter.

After years as the lead singer of The Supremes, one of Motown's most successful groups, Ross was preparing to establish herself as a solo artist.

Then came “Ain't No Mountain High Enough.”

The song had already been recorded successfully by Marvin Gaye and Tammi Terrell in 1967. But Ross and producer Ashford & Simpson transformed it into something dramatically different.

Instead of the upbeat duet of the original, Ross's version became a sweeping, emotional production built around her powerful vocal.

From Motown star to solo artist

The recording appeared on Ross's self-titled debut solo album.

At first, it didn't sound like a conventional pop single. The arrangement gradually builds, with Ross moving from intimate verses into increasingly emotional passages before the famous spoken-word section and climactic finale.

It was ambitious.

And it worked.

“Ain't No Mountain High Enough” became Ross's first solo No. 1 single on the Billboard Hot 100 in 1970.

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