Martin alah bakarajo jo Ron Sexsmith, Faultline, the Streets, jo Ian McCulloch. inyo juo manyanyikan bagian vokal untuak single Band Aid 20 "Do They Know It's Christmas?" pado akhia taun 2004. pado taun 2005, Martin bakarajo jo Nelly Furtado pado lagu "All Good Things (Come to an End)", untuak albumnyo taun 2006, Loose. duo urang iko pernah dikabarkan marupoan pasangan solo, sasudah kaduo-duonyo tampil di Glastonbury pado taun 2002. Nelly Furtado macucucu tantang hal iko, jo mangatokan, "Yeah, he's my boyfriend yet<unk> he doesn't know it just yet".
Lapeh