[SideburnsOfDoom]

Probably more effective all around to turn your device off instead, and when you get your electricity bill, which will be a few cents cheaper as a result, send the band half the difference.

[icebraining]

Not according to my napkin math: https://news.ycombinator.com/item?id=7426245

[aestra]

It takes a very small amount of electricity to power a smart phone. Yes, you're using more energy by streaming music, but it can't be that much more.

http://lifehacker.com/5948075/how-much-energy-a-smartphone-u...