Harris Jayaraj and Anirudh seems to be the busiest music directors in Kollywood handling multiple projects.

But all eyes are on their work regarding Ajith's Thala55 and Vijay's Kaththi as there is huge hype and anticipation surrounding these movies.

Harris has reunited with Gautham Menon after a gap of six years. So the expectations are sky high regarding Thala55's music. Harris has composed his first song for the Ajith – Anushka starrer with a fresh voice from UK.

Meanwhile, Anirudh has completed the fourth song for Kaththi. AR Murugadoss, the director is a tough task master and is known to extract the best from his music directors.

According to industry insiders, Anirudh has given his best to Kaththi and is expected to be one of the rocking albums in recent times. Thala and Thalapathy fans and music lovers in general are eagerly looking forward to both these albums.

Both these films audio is likely to be purchased by the market leader Sony Music, as negotiations with the respective producers have reached the final stage.