Simplify the following text for a Grade 6 native English-speaking person.
Original: All five members took part in other bands at the time : the relatively unsuccessful Crystal Age from Dronjak and Larsson , and the two bands which to a great extent influenced Swedish melodic death metal : In Flames , from StrÃ mblad and LjungstrÃ m , and Dark Tranquillity , from Stanne .
Simplified: Both Dronjak and StrÃ mblad were in other bands : Dronjak was in Crystal Age , StrÃ mblad was in In Flames .