Take AC/DC. While the video of the band's Live At River Plate hit #1, their first album (of the same name) debuted at only #66 on the iTunes store. That said, since the band recently released their entire catalog to iTunes, 13 of their songs have entered the 200 song Hot Digital Songs chart. This sounds like a lot until you see that the classic "Back In Black" is the biggest seller at only 68k, and the album of the same album sold only 15k this week, which is a drop in the bucket to the big sellers of the day. You have to think that if they had done this any time in last 3 years that they may have had more success.
Kid Rock's first digital album Rebel Soul is doing better, debuting at #5 and selling 146k total copies, but only 57k of those are digital. The problem is that amount is less than his the debuts of his previous 3 albums, even with the digital element now attached. The interesting thing here is that KR really missed out on the digital scene by waiting, proven by a cover band called Rock Heroes selling 1,647,000 digital copies of his 2007 hit "All Night Long," which would've meant about $330k of revenue that he missed out on right there.
Once again, this proves the point that you can't sit on the sidelines while technology passes you by, especially in music. Both Kid Rock and AC/DC didn't do themselves any favors by doing so, although they probably thought they did the right thing at the time. Remember the mantra; your music is your marketing. The more that's out there, the better off you are, even if you're AC/DC.
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