Video Premiere: Jon B – Understand (Feat. Donell Jones) By BiGJamZBMF | 12 April 2019 - 23 h 54 min |14 April 2019 Uncategorized Veteran R&B singer Jon B has been teasing his new single “Understand” with another legend of the R&B, Donell Jones. And the single is finally out with the music video. Jon B’s new album should be out later this year. Related Bookmark the permalink.