Here are some links dealing with violence and music:

- Report Claims Music Has An Impact On Youth Violence

- Regulators Say Violent Media is Marketed at Youths

- Cranking Up the Volume on the Violent-Lyrics Debate

- The Recording Industry Association of America Website

- Impact of Music Lyrics and Music Videos on Children and Youth

- Music and Violence 

- Vicious Music Incites Teen Violence

Links dealing with the government & their views on the issue:

- Senate Panel Tunes Into Music Violence

- Warning Shot: Gore Entertains Show Business Restrictions

- The Social Impact of Music Violence - Statement of Senator Joseph I. Lieberman

- Statement of Hilary B. Rosen President and CEO Recording Industry Association of America Senate Committee on Commerce Hearing "Marketing Violent Entertainment"

- Senate Testimony Delivered by Strauss Zelnick President and CEO, BMG Entertainment