Trimatrik was the debut album of Aurthohin. The line-up of this album was very confusing. This album contains 12 songs and these are heavy metallic. Trimatrik started a trend of songs in later albums released by Aurthohin. This album also featured few acoustic based soft rock songs with heart touching lyric.
Vocal, Bass, Acoustic – Bassbaba Sumon
Guitar – Piklu
Guitar, Vocal – Rassel Rahman
Drums – Rumi