Lagu

Lagu is the component of a tālam which is the variant part. Its beat count is dependent on the jathi of the tālam. The action for counting includes a tap / clap, followed by a count of sub-beats of the full rhythm cycle. Note that a tisra jathi lagu is actually 1 clap and 2 counts = 3 beats.
Found on http://en.wikipedia.org/wiki/Glossary_of_Carnatic_music
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