Scott Storch -- I Went From $70 Mil To $100 Cash ... Now I'm in Bankr -

Scott Storch -- the famed music producer who produced tracks for Christina Aguilera, Justin Timberlake, Beyonce and a slew of others -- was worth $70 million. Now he's got a hundred dollars cash.

Storch filed for bankruptcy claiming he has a grand total of $3,600 of assets to his name -- $100 in cash, $500 in clothing and a $3k watch. Most shocking ... his music companies are valued at $0.

Storch produced some of the biggest records in music history, including Timberlake's "Cry Me a River" and Aguilera's "Fighter."

He claims in bankruptcy docs he made a grand total of $10,000 last year.

As for how Storch lost his money, he reportedly blew through $30 mil in a 6 month span on drugs.

He also spent a fortune on cars, houses and other extravagances.