Complex sentence: Before her career started, shela was the lead vocalist and saxophonist of the three member band FBI from 1997 to 1998 under the name Oizumi Megumi (大泉めぐみ), in 1999 she signed with avex trax, and embarked on a solo career.
Split into simpler sentences: Before her career started, shela was the lead vocalist and saxophonist of the three member band FBI from 1997 to 1998. In 1999 she signed with avex trax, and embarked on a solo career.