Using Firefox : (For Non-Firefox Browser Scroll Below)
1. Install Tamper Data addon. 2. Activate the addon by navigating to Tools->Tamper Data
3. Now login to imeem and play the song which you want to download. 4. After a few seconds of playing you can close or stop playing. 5. Now in the Tamper Data filter box type .flv you will find a line of code as shown in fig below,right click on it and click on Copy
6.Paste it in notepad, it should look like as shown below