Simplify the following text for a Grade 8 native English-speaking person.
Original: Following the demise of their previous group Pantera , brothers Dimebag Darrell and Vinnie Paul Abbott wanted to start a new band .
Simplified: They started playing in 2003 after Pantera 's guitarist and drummer decided to start a new band . They only released one album , because in 2004 , the guitarist Dimebag Darrell Abbott was shot during a concert .