Train, Degraw, The Script, Martina McBride, Ashley Monroe perform "The Weight"

What a way to end the night! On August 4, 2013, Train performed alongside Gavin DeGraw, The Script in their Mermaids of Alcatraz Tour at Austin 360 Amphitheater. Closing out the night, Train's Pat Monahan invited Gavin DeGraw, The Script's Danny O'Donoghue, Ashley Monroe, and surprise guest Martina McBride to sing the concert's last song: 'The Weight'<br/><br/>