To answer your question HeavenDuff, for that week I listened to BMTH from 7:50am-8:00am, 12:50pm - 1:20pm, and 3:40-4:00pm on my iPod. That's 1 hour of listening to BMTH just from my iPod.
When I came home, i did my homework whilst listening to them, and still listened to them from 5pm to about 11pm consecutively (maybe a couple songs not by them during that time, which explains why I had some 3OH!3 and other bands on there), so that there's about (7*60) + 60 = 480 minutes of music per day. 480*5 = 2400 and let's say i listened to 5 hours of BMTH on Saturday and Sunday. That's 2400 + 300 = 2700.
Most of the BMTH songs are 4 minutes long, so 2700/4 = 675.
And again, the reason I didn't have 675 BMTH plays was because I listened to other bands in between.