The stock price of these five well known stocks in the Sonic Control Music Tech 21 have dropped below $10 a share: Advanced Micro Devices, Loud Technology (makers of Mackie Equipment), Make Music (developers of Finale), Primedia (publishers of Electronic Musician), Sonic Solutions and game maker THQI.

Advanced Micro Systems (AMD) hit a low of $2.98.

Loud Technologies (LTEC), owner of Mackie, dropped to $0.89 per share.

Make Music (MMUS) ended the day at $4.50 per share.

Primedia (PRM), publishers of Electronic Musician, dropped to $0.80 per share from a high of $10.04 in December 2007.

Sonic Solutions (SNIC) makers of Roxio, dropped to $1.89, while game maker THQI dropped to a low of $7.87 from a high of $25.69 in January 2008.

Daily pricing data courtesy Yahoo! Finance.