Question: Which band was joined live by Loren Humphrey, The Last Shadow Puppets or Hard-Fi? 
Sentence (from "Hard-Fi"): Founding member Ross Phillips (guitar and backing vocals) left the band on 6 May 2013 but returned in 2014 for promoting the release of the Best of... album and the one-off gig on 13 February 2014.
Relevant evidence: No