Made From Scratch
AS THE CROWD TRICKLES IN TO A TRENDY MANHATTAN NIGHT CLUB, Jahi Sundance Lake '01, one of New York's hottest young deejays, lugs two steel crates and a satchel stuffed with LPs up the stairs to the loft where he'll perform for the next two hours.
These 170 records—a small part of his 7,000-album co…