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The first video below shows Marugelara O Raghava being played on the acoustic guitar using slides, hammer on’s and pull offs.
Excuse me for the unintended rhythmic sound in the background – my persistent old chair friend insisted on doing his part as long as I chose to sit on him. Will be making a recorded version of the same Carnatic song on guitar, where I will try to go solo without the chair.
The second and third videos show you how to play the Carnatic song on guitar, explaining the moves. I have decided to give away the complete instruction video for free here. Maybe later I may make available the tab and detailed videos and other material for a reasonable fee. (Why fee)
How to play the Carnatic moves on Guitar
Here are the videos to help you play the carnatic song Marugelara Oh raghava on the guitar (acoustic or electric):
Marugelara part 2 of the basic instruction video:
Note: What you can play on the acoustic guitar, you can on the electric guitar – at least when it comes to the ease of playing slides, hammer ons, pull offs etc. So if you want to play carnatic on the electric guitar, go ahead and please try it with no hesitation. The same frets, strings, fingering and playing techniques used to play carnatic on acoustic guitar will apply for carnatic on electric guitar too…
(A fee is better than fRee when it comes to learning stuff which needs persistence and practice. Given free, most of us won’t learn it – my close friends and acquaintances have proven that to me 
. To be honest, playing this kind of songs on the guitar is not easy without continued effort. And a fee helps you make the commitment to see you through.)