Complex sentence: In April 2002, the band began sending demo tapes to record labels and were advised by Toshiba EMI to change their name, eventually choosing "Base Ball Bear," the name under which they performed their first gig at Shimokitazawa Garage that July.
Split into simpler sentences: In April 2002, the band began sending demo tapes to record labels and were advised by Toshiba EMI to change their name. They eventually chose "Base Ball Bear," the name under which they performed their first gig at Shimokitazawa Garage that July.