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FILE - In this Tuesday, June 9, 2015, file photo, the Rolling Stones' Keith Richards, foreground, and Charlie Watts, background on drums, perform at Bobby Dodd Stadium on the Georgia Tech campus, in Atlanta. Richards announced, Thursday, July 9, 2015, that he will release a new solo album, his first in 20 years, entitled "Crosseyed Heart,” on Sept. 18, 2015. (AP Photo/John Bazemore, File) Image Credit: AP

What do you do when your bandmate and songwriting partner happens to be one of the most celebrated lead singers in all of rock ‘n’ roll?

If you’re Keith Richards, you largely keep your mouth shut and be content to be one of the most celebrated lead guitarists in all of rock ‘n’ roll.

Still, from time to time you might have something to say, and so Richards has stepped to the mike, notably with Happy back when the Rolling Stones recorded Exile on Main Street in 1972, and on two solo albums, Talk Is Cheap in 1988 and Main Offender four years later.

Given the Stones’ pace in the studio of late, which at best might be described as “deliberate” (their most recent album, A Bigger Bang, is now 10 years old), Richards is now set to release Crosseyed Heart, just the third solo studio album of his half-century-plus recording career.

On Tuesday night in Hollywood, about 50 people got an early listen to an album (due in September) that features a core band of drummer and singer Steve Jordan, guitarist Waddy Wachtel and multi-instrumentalist Larry Campbell.

Among the guests: the late Bobby Keys, the Texas saxophonist whom Richards called his musical soul mate after they met in the ’60s. Also onboard is singer Norah Jones, and Muscle Shoals organist Spooner Oldham, New Orleans singer Aaron Neville and son Ivan Neville.

As always, Richards’ ragged voice is an instrument that’s more serviceable than distinguished — it’s the equivalent of a crude raft that can take the user from one bank of a river to the other, not traverse long distances with tremendous style or panache.

Yet Richards gets emotions across in the album’s 15 songs. The album opens with the title track, just Richards playing guitar and croaking a vocal that connects him with the Delta blues. Several songs offer up big Stones-like rockers with beefy grooves and tasty guitar work. But it also contains tracks that are sweetly reflective, occasionally regretful and often vulnerable, qualities you might not expect from one of rock’s most notorious antiheroes who, at 71, is not only a husband and father but a grandfather and, most recently, a first-time children’s book author.