The answer lies in the specific texture of the Roland sound. The JV series had a very particular "DA/AD conversion" and a specific algorithm for its TVF (Time Variant Filter). It sounded expensive but digital . It was the sound of 90s Neo-Soul, early 2000s Hip Hop, and Y2K Pop.
Iconic patches often organized by type.
To the uninitiated, it looked like a mere expansion module—a cost-effective way for keyboardists who couldn't afford the flagship JV-1080 or JV-2080 to get those legendary sounds. But the JV-1010 held a secret, a ghost in the machine that would give it a second, arguably more influential life decades later. That ghost was the Roland Jv 1010 Soundfont