Music / R&B Music Tank – They Don’t Know ft. Siya (Remix) by Elle BreezySeptember 13, 2014 ShareTweetPin ItShare Tank and “Sisterhood of Hip-Hop” cast member/rapper Siya come together for “They Don’t Know (Remix),” a flip of Rico Love’s 2013 radio smash; Tank finesses the track while Siya adds her flow-escent rhymes. Download above.