2018 saw a variety of songs release from Suriya's Thaana Serntha Kootam to the latest Viswasam, Sarvam Thaala Mayam and Petta. Aircheck is the official organisation that is involved in keeping track of the songs played in FM Stations. 

At the end of every year, they release the list of the songs that have been played the most, and here are the top 10 for this year:

10. Sandalee - Sema