Semper Acerbus is an American metalcore band from Del Rio, Texas . Formed in December 2016 as part of Nelson Pou’s vision, the group consists of vocalist Nelson Pou, guitarists Miguel Martinez and Jerry "Shai" Garza, bassist Luis Etienne, and drummer Alex Arneson .

Since their formation, Semper Acerbus released their first EP in summer of 2017 and the have released 4 singles and a full length album in October/2019, the album is available in all streaming platforms.

Semper Acerbus primarily plays heavy metal and metalcore combining sounds from extreme metal and hardcore. Like some modern metalcore bands, Semper Acerbus vocally combine singing, screaming vocals, and growls. Semper Acerbus music mixes solid punched riffs, double bass drum patterns, power chords, dual-guitar harmonies, often punctuated by guitar solos and Breakdowns.

SA music is available in spotify, iTunes, deezer, YouTube and ReverbNation.
SA is endorsed by EMG, TRX Cymbals and WB Gear.