Complex sentence: In 1998, amidst relentless touring they released "A Quien Pueda Interesar", now turned national stars they became the first Puerto Rican band to headline and sell out the Roberto Clemente Coliseum.
Split into simpler sentences: In 1998, amidst relentless touring they released "A Quien Pueda Interesar". Now turned national stars, they became the first Puerto Rican band to headline and sell out the Roberto Clemente Coliseum.