Godin Guitars Session, Progression, xtSA, Summit CT, LGX-SA, LGXT, Acousticaster, Empire & Radiator Gig BagA player on the move looks for a gig bag that matches both his or her playing and personal style. The Godin Progression, xtSA, Summit CT, LGX SA, LGXT, Acousticaster, Empire & Radiator Gig Bag is a modern take on a classic accessory that will keep your guitar protected and looking really good while on the road. *Cases exterior are indentical, the interior fit will differ based on the guitar model.