National News Bureau of Thailand quoted the prime minister as saying he wrote the song to communicate with Thai people and urge them to join hands in moving the country forward.
Gen Prayut said the song was his New Year gift for them and it would be played before the government presented its achievement after a year performance.
The presentation will resume again on Friday after ending at 5 pm today.
On Friday ministers in charge of justice, law and tourism will present their achievement, in the morning session, while Gen Prayut will present conclusion of all achievements in the afternoon.
Prime Minister Prayut is scheduled to visit Songkhla province on 28 December 2015 to follow up on the progress of border checkpoint projects, Rubber City as well as important projects in Surat Thani.