New Delhi, Aug. 3 -- At 60, Too $hort is helping usher hip-hop into what he calls its senior citizen era. Just don't expect him to rap like one.

The Oakland hip-hop pioneer is still recording, touring and talking slick more than four decades after he began selling homemade tapes on the streets of the Bay Area. While the genre has long treated aging like an unwritten career-ending offense, Too $hort is breaking the rule and challenging the culture's elder statesmen to keep going with him.

His latest proof is "Sir Too $hort Vol. 2: Drink & Smoke," his 23rd studio album, produced entirely by longtime collaborator Lil Jon. It arrives Friday, exactly 20 years after the release of his enduring hit "Blow the Whistle."

Too $hort, whose catalog...