Amy Winehouse Report: Items STOLEN From Singer's Home

8/11/2011 4:00 AM PDT

Winehouse's Dad: Someone Has STOLEN Amy's Music!

Some heartless bastard went into Amy Winehouse's U.K. home and stole some of the singer's most personal belongings in the days following her death ...  this according to British media. 

Amy's father is reportedly furious -- claiming someone entered the home and swiped unreleased music, lyric books and letters belonging to Winehouse,

According to The Sun, only two lyric books have been reported to police ... but Amy's people are concerned about other items that seem to have gone missing too ... including guitars and lyrics penned for her third album.