Drum and bass -LRB- commonly abbreviated to ORGANIZATION@1 , DnB , dnb , d' n ` b , drum n bass , drum & bass , dNb , deebee -RRB- , is a type of electronic dance music which emerged in the mid NUMBER@1 .

Drum and bass -LRB- also d & b , DnB , dnb , d' n ` b , drum n bass , drum & bass , dNb -RRB- is a form of electronic dance music .
