Get Mad by Art Of Collision published on 2020-01-05T04:22:21Z Rafael Cubero - Vocals on all tracks. Gugus - Guitars & bass on all tracks. Kenn Wall - drums on tracks 6 & 7 and bass on track 5. Ken Murillo - drums on tracks 1, 2, 3, 4 & 5. Álvaro Rojas - backing vocals on track 7. Kenn Wall - Edition, recording, production, mix & master at Wall Studio. Max Gutiérrez - vocals and acoustic guitars recorded at Cavan Studio. David Cubero - Art at Estudio ÉSM Genre Rock