Magazine : 
Extinct Indian Musical Instruments
Pena
Pena is an ancient musical instrument of Manipur. It’s made of a slender Bamboo rod attached to a dry coconut shell which is made in the shape of a drum. A string made of horse tail is fastened from end of bamboo road over drum and is played with a rod. It is believed that Pena is the source and origin of all the tunes of various folk songs prevalent in Manipur.
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