"I really hope that the people who came to see Sam today can get just five per cent out of this song," Boone told the crowd.
Tweedy will release his new 30-track album this September, with an extensive run of tour dates set to accompany its arrival.
"We’re sharing this because we have found similar acts of solidarity and protest by our peers to be inspiring."
Other recent artist signings include Mandopop artist David Tao, pop-punk singer-songwriter Taylor Acorn and rising country artist Trey Pendley.
The tour coincides with their role as special guests on Metallica’s massive M72 world tour.
"Truth is, shortly after my birth, I became blind," Wonder told a Cardiff crowd recently.
The guitar was originally stolen in France in 1971 during recording sessions for Exile on Main St.
Cameron first joined Pearl Jam in 1998, following the initial dissolution of Soundgarden the year prior.
The bassist did not specify which band member is ailing in response to a fan question about their absence from the Back to the Beginning lineup.
The DoD was forced to rework the video to remove the song after the band's legal action.
