Overly Dedicated (stylized
O(verly) D(edicated) and often referred to as
O.D.) is the fourth
mixtape by
American hip hop recording artist
Kendrick Lamar, released September 14, 2010, via
Top Dawg Entertainment. The album features
guest appearances from
Dash Snow,
Jhené Aiko,
Schoolboy Q,
Ab-Soul,
Ash Riser,
Dom Kennedy and
MURS, among others. The album's
production was handled by several TDE in-house producers, including King Blue,
Sounwave,
Tae Beast and
Willie B; other producers such as Tommy Black, Drop, Jairus "J-Mo" Mozee, and
Wyldfyer, also contributed production. As of October 2012, the
mixtape has sold a total of 12,000 copies.