While it is true that Rock or Bust contains some "highlights" (including 2 or 3 solos of Angus and inspired little usual) that will fly to the first listening, this album feels seriously retirement for a group that has accustomed us to better, much better. Stop his career on the dense and very inspired Black Ice would have been better taste. Yet big fan for 25 years, it costs me to write these lines. Brian's voice is back and sometimes (often) supported by choirs, bass is very (too?) Forward, and if some write the title Miss Adventure it is composed of fine guitar parts, I is tasteless for me (with a bonus low end chorus). The rest evolves on the mid-tempo square well as we like in Australian, and this is where the great merit of this skeud, which focuses on 37mn no real verve. There's no really flamboyant title. Compared to a lot of training, it is certain that AC / DC remains a notch above, but it can do so much better ...