"Muthina Kathirika" is not your standard romantic duet. It is a quintessential "Rahman experimental track"—a genre the composer has perfected over decades. The song creates a dreamlike, almost hallucinogenic atmosphere that matches the turbulent yet passionate love story depicted in the film Kadal . It captures the feeling of falling in love under the moonlight, but with a slightly edgy, modern twist rather than a traditional melodic approach.