EX:P3 ～Ex:Producers3～ is a compilation album by FARM RECORDS which consists of several new songs. It contains 16 tracks, plus one bonus track, sung mainly by Hatsune Miku, but also Kagamine Rin, GUMI, and IA. Notable songs such as Nekomushi-P's "Kurikaeshi Hitotsubu", Kusoinaka-P's "Nekomimi Archive", and KEI's "Maigo no Boku ni" are featured.
The official album website is available here.
The album is purchasable on Amazon.