Complex sentence: First seen as Jay Watson's guitar during the Lonerism world tour, Watson used this guitar for many performances of "Half Full Glass of Wine" Rumor is that this guitar was given to him by J Mascis at Coachella 2013.
Split into simpler sentences: First seen as Jay Watson's guitar during the "Lonerism" world tour, Watson used this guitar for many performances of "Half Full Glass of Wine". The rumour is that this guitar was given to him by J Mascis at Coachella 2013.