Salt-N-Pepa are riding high following their grand induction at the Rock & Roll Hall of Fame -- and are hinting the party won't stop ... because they'll be touring next year!!!

TMZ Hip Hop caught up with Pepa and Spinderella outside Jennifer Hudson Studios in Burbank this week, and they were beaming in light of their massive accomplishments through hip hop culture. Gallery Launch Gallery Getty

The group took their lumps internally just like any long-running act, but Spin tells us they've displayed a solid sisterhood to the world to cap off their 40-year history.

During their acceptance speech, Salt called out UMG for still holding on to the group's master recordings and stripping their songs from streaming ... Pepa and Spin say they're legally entitled to owning their m

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