These are the kinds of songs that I listen: Dil hai ki maanta nahi Pyar kiya toh darna kya Rang barse My December The brand name that I'll be looking for is Sennheiser. The questions: In which category do these songs fall in? How do you decide which kind of music will be better served by which kind of headphone? What do you look for in a headphone before purchasing? I previously owned Sennheiser PMX 200. Its coil broke off. It wasn't too comfortable since it was a neckband type. This time I'll prefer a headband. The input device I have: iPod Nano 4th Gen. The budget is <= $90. I have heard that Sennheisers do not have a good amount of "bass" in their headphones. I have no idea what does that mean and how does that effect the songs. This will be used while traveling in bus, so I would like to have a noise cancellation feature. I looked here http:// www.amazon.co.uk/Sennheiser...QN180"]Sennheiser HD215 Closed Back Headphone, but I am not sure if this is what I want! See what people are talking about this headphone: http://www.amazon.co.uk/review/R1VEK386WDF4XK/ref=cm_cr_pr_viewpnt#R1VEK386WDF4XK In what kind of songs do we "require" BASS? http://www.androidguys.com/2011/04/06/headphones-earphones-earbuds/ Does this problem apply to this HD 215 too?