When it comes to classic posse cuts this 1989 "Back On The Block" track by Quincy Jones featuring the classic mcs Big Daddy Kane, Melle Mel, Kool Moe Dee, and Ice T with Tevin Campbell singing on it was historic in the sense that 30 years collaborations in hip hop weren't as common as now and it was historic in the sense that a legend from the old school jazz generation of music Quincy Jones reached out to the hip hop generation for a collab of the ages, it ended up winning the 2nd grammy in hip hop history in 1990, by 2020 quincy jones should reach out to all them again and maybe add a few more legnds like fresh prince, ll cool j, krs one, chuck d, queen latifah, mc lyte, and mc hammer to it and call it back on the block 2020: