Conversation so far:
When was English rhythm and blues and rock band The Animals' second incarnation?
A group with Burdon, Jenkins, and new sidemen John Weider, Vic Briggs, and Danny McCulloch were formed under the name Eric Burdon and Animals in December 1966
Which members joined in the second incarnation of English rhythm and blues and rock band The Animals?
A group with Burdon, Jenkins, and new sidemen John Weider, Vic Briggs, and Danny McCulloch were formed under the name Eric Burdon and Animals.
Was English rhythm and blues and rock band The Animals' second incarnation successful?
None of their albums charted in the UK.

Question: how long did the second incarnation last?
Self-contained rewrite: How long did the second incarnation of English rhythm and blues and rock band The Animals last?