InstaSong is an AI song generator wrapper (likely built on Suno/Udio APIs) with a pricing model and free tools. The 'Desunofier' feature claims to remove shimmer artifacts from Suno outputs—a narrow post-processing utility rather than a core product innovation.

One insight: Desunofier is a thin feature on a commodity AI music platform with negligible traction (3 HN points, no founder signal, zero external validation), making it an unproven wedge with minimal moat and high replication risk if demand existed—but no evidence it does.