Complex sentence: The band was officially formed in 1993 by Erk Aicrag (lyrics & song) and Racso Agroyam (synthesizer), but both cousins had been experimenting with electronic music, mixing Industrial and EBM since they were fifteen years old.
Split into simpler sentences: The band was officially formed in 1993 by Erk Aicrag (text & song) and Racso Agroyam (synthesizer). But both cousins had been experimenting with electronic music mixing Industrial and Electro Body Music since they were fifteen years old.