concerts.

When is the last time you went to a concert? If it wasn't this year, why? Support the bands you like by seeing them in concert. In this age of file sharing, it's essential to go to shows. Don't put it off forever because you never know when you're favorite bands will stop playing. Seize the day.
There is nothing quite like live music! Did you know you can easily Like bands in Ticketmaster.com and they'll email you when they're coming to your town?
volume.

When you attend concerts and play very loud music, you need to protect your hearing. When your ears buzz for hours, that means you've damaged your hearing. The ear plugs above are epic because they filter the distorted highs and lows and they let the right sounds in.
Check out Etymotic's web site for details. They're around $10 for a pair and totally worth it. Hearing damage is cumulative and can be permanent.