From folk to tribal to Cab Calloway, Cole Porter, Gershwin...

From folk to tribal to Cab Calloway, Cole Porter, Gershwin to the Rolling Stones, whose first record was all covers, to country-western, bebop, blues, and even the referencing in classic hip hop to cliched love ballads of the '80s or whatever - that is kinda gone, and that's just terrifying to me.