G. Devarajan's timeless compositions retain their appeal through a blend of classic and folk music, as seen in iconic songs like 'Harivarasanam' and 'Sangam valartha Tamizh'.

G. Devarajan's songs remain popular years after composition due to their timeless appeal. He composed music for films like Kaalam Maarunnu, Bharya, and Manavatti, and his songs like 'Lehari lehari', 'Parakkum thaligaiyil', and 'Ayiram padasarangal' are still widely enjoyed. His iconic Ayyappan song 'Harivarasanam' is played nightly in Sabarimala temple, showcasing his ability to blend classical and folk music.