Simplify the following text for a Grade 10 native English-speaking person.
Original: The song became the official Song of Consecration ( Weihelied ) for the Nazi Party , and was extensively used at party functions as well as being sung by the SA during street parades .
Simplified: The song was first performed at Wessel 's funeral , and was thereafter extensively used at party functions as well as being sung by the SA during street parades .