Piya O Re Piya is characterized by its soft rock and melodic pop influences, with a touch of traditional Indian music elements. The instrumental arrangement, featuring acoustic guitar, flute, and strings, complements the vocal performances perfectly, enhancing the overall romantic feel of the song.

Musically, the song is a fusion of contemporary pop and traditional Indian melodies, characterized by its soothing acoustic guitar riffs and gentle percussion, which complement the vocals perfectly. Atif Aslam's emotive delivery captures the essence of longing and passion, while Monali Thakur adds a soft, ethereal quality to the composition. Priya Panchal's poetic lyrics evoke a sense of heartfelt affection, weaving a narrative of love and devotion.