Hi,
go to Googles Webmaster Tools and then use its Disavow tool to mark external links to your site as invalid.
https://www.google.com/webmasters/tools/disavow-links-main
I check your site on the Penguin Tool and it does not seem that your site has been hit directly by a google update.
Did you check this:
https://moz.com/researchtools/ose/spam-analysis/flags?subdomain=www.getmp3songspk.com
Best regards
Marc