E-40 'Revenue Retrievin'' For 15th and 16th Albums

E-40 is planning to release two new installments of his Revenue Retrievin series, which will also mark the release of the rapper's 15th and 16th albums over the past 23 years.

E-40's latest albums, Revenue Retrievin' Graveyard Shift and Revenue Retrievin' Overtime Shift are slated to land in stores this March, via his son's record label, Heavy On the Grind.

The new albums from E-40 were executive produced by his son, producer/rapper Droop-E, while guests like T-Pain, TechN9ne, Turf Talk, The Click, Black C of the RBL Posse, Cousin Fik, J. Stalin and others appear on the two new albums.

The Revenue Retrievin' albums follow 2010's releases Revenue Retrievin' Day Shift and Revenue Retrievin Night Shift, which also featured a number of notable rappers, including Too $hort and 50 Cent.

Revenue Retrievin' Graveyard Shift and Revenue Retrievin' Over Time Shift are due in stores on March 29th.