challenge: What can be said about 16-17's sound on their 1989 album 'When All Else Fails'?
  
  A. It remained unchanged from their earlier work, with the same cyclic rhythms
  B. It became more aggressive, incorporating new technologies and unconventional sound-generating devices
  C. It shifted towards a more traditional jazz sound, abandoning experimental elements
  D. It became less aggressive and more melodic over time
  Answer: 