I always think his father, a respected scholar, laid a crucial foundation, but the real shift came from his time at Allahabad University. Exposure to the English Romantics and Hindi Chhayavad poets like Nirala and Pant fused in a unique way there. You can hear the rebellion against traditional, rigid forms and the deep, personal melancholy of Chhayavad, but he channeled it into a more accessible, rhythmic voice that felt like it was meant to be spoken aloud.
His early work, especially 'Madhushala', has this intoxicating, cyclical rhythm that feels inspired by Sufi poetry and the repetition in folk songs. It wasn't just high literature; it was meant to be performed, felt. The profound personal grief after his first wife's death certainly carved a darker, more philosophical vein in his later poetry, moving from the celebratory to the contemplative. I find the blend of classical Sanskrit underpinnings with a very modern, almost urgent, conversational style to be his true signature.
The inspiration wasn't a single source but a confluence: academic rigor, literary movements, personal tragedy, and a conscious desire to make poetry resonate with the common listener. That's why his recitations had such power; the style was inherently oral and musical.