Youtube
In Spotify.
You tube
One can legally listen to the songs of A.R. Rehman online at Saavn website. One can also download their application which is available for all platforms. This is the easiest way of accessing his songs.
No, it is not illegal to listen to Hindu devotional songs online if you are listening to a legal site. It may help you feel better throughout your day.
Create a "T.M. Revolution" station on Pandora
This depends on the original copyright of the audio file. If you have the rights necessary to listen to any type of music, you can legally do so as you please.
you can search them on youtube.com and other places just like normal music
A list of the latest Bollywood songs can be found by searching for it using Google. An alternative to that is listening to a Bollywood Radio station online which will often announce a list of the top current songs.
You can listen to Khmer songs online on websites such as Khmer Komsan and SDAP Online. You can also find songs the songs listed on the video streaming website YouTube.
Dhoom 2 is a Bollywood action film released in 2006. As with most Bollywood films, it has a number of musical numbers. The best way to listen to the songs is whilst watching the film. You can also buy the soundtrack on DVD or watch via You Tube.
Downloading copyrighted songs is against copyright laws. You can assume movie songs are copyrighted, so it's best to avoid possible legal problems and go to a site where you can purchase and download them legally.