Andrew Luis "Dru" Castro is a 5x Grammy Award-winning recording engineer, producer and songwriter in Atlanta, Georgia. He has produced or engineered songs for artists such as Childish Gambino, Usher, Nelly, Anitta, Pentatonix, Ciara, Keyshia Cole, T-Pain, Trina, Jamie Foxx, Nelly, Lecrae and India.Arie. In 2009 Castro produced, engineered and wrote all the songs with India.Arie on her with the 3X Grammy nominated album Testimony: Vol. 2, Love & Politics. In 2018 Castro won a Grammy as Engineer for Record of the Year on the song "This is America". To date Dru Castro has worked on 19 Grammy nominated projects See Below.

Testimony: Vol. 2, Love & Politics is the fourth studio album by American singer India.Arie, released February 10, 2009 on Universal Republic Records. The album debuted as "Hot Shot" on the Billboard 200 in the week of February 28, 2009 at #3, selling in its first week around 76,000 copies, almost half less than her previous album in 2006. The next week it fell to number 7, selling another 32,000 copies.