Stuart DaCosta, known professionally as STUDIRT, is a Mumbai-based Sound Production Designer, composer, and bassist. He is the bassist and co-producer of The Yellow Diary, an Indian indie band signed to Sony Music India with over 100 million combined streams.

DaCosta contributed bass and production work to Gully Boy (2019), directed by Zoya Akhtar, which grossed over ₹240 crore at the Indian box office. His commercial work includes sonic branding and music production for Cadbury Dairy Milk (Mondelez), Tata Motors, Swiggy Instamart, and PhonePe.

He provides live music direction for artists including Dino James, Tarina, and Outstation, and has performed over 200 live shows nationally, including NH7 Weekender and Bacardi Sessions.

DaCosta is available for film scoring, advertising music production, sonic branding, and live music direction across India. Open to collaborations with emerging artists and producers — reach out via the inquiry form.