There is more than one artist named Jeffrey Martin (although only one is listed on MusicBrainz):
1) an American singer-songwriter from Oregon
2) an American singer-songwriter from Nashville
1) Jeffrey Martin from Oregon: (not pictured on last.fm) WWW.JEFFREYMARTINMUSIC.COM
Martin released his first album entitled Gold in the Water in 2009. It earned him a few key shows, on a few lucky nights, where he was heard by some influential promoters. Since then he has shared the stage with some greats such as Sean Hayes Read more on Last.fm