Now that CDs aren’t making money, more of a musician's income is from selling "merch" - merchandise: T-shirts, stickers, guitar picks, etc.
Merch might not be the main part of a band’s revenue stream, but I think it has become a bigger part of the musical experience since the beginning of the digital age.
Merch is essential for the true fan. An MP3 is a transitory and abstract thing; a concert T-shirt on the other hand is tangible and enduring.
