Well said by The Martorialist, re: Biz Markie & Converse tape: "13 years before Jay-Z gave away his first and only mixtape with those Reebok kicks of his, which turned into Keith Richards' face after a couple of wears, Converse teamed up with Warner Bros Records for a free Biz Markie promo cassingle which came free with every pair of blue-on-white Cons basketball hi-tops in 1990. Nothing for the radio, just 2 tracks of exclusive prime-era Diabolical: Off The Top Of My Head is Biz's version of DJ Cool V's To My Boys, while Non Stop Rockin' is a historical curiosity given that it's a precursor to Biz's Nas demo + the sample-source for Biz's own Studda Step. Catch the vapors below..." Yessir...