Music at work

Alright, if you know me, then you know that I love music! I used to put it on before I would go to sleep- it helped me calm down. I listen to it in the car - and I usually will sing along. I take music to the gym to work out and find that I run better when I am listening to a good song. I love to listen to music while I cook- at least when I have the kitchen to myself.
Well, I usually take my ipod to work with me. It helps time to go faster when I have music to work to. But lets talk about co-workers. I usually keep my music down so others don't have to listen. But I have a couple of co workers who think its okay to sing along to their music at work. It just so happens that they are both guys and usually singing songs that annoy me. I think it may be just because they are singing them, but you should hear one of them try to sing Flogging Molly. I know it shouldn't' erk me so, but seriously friends, music in your ears only. I don't want to hear your terrible acapella version. The end!