Who is affiliated with more bands, Ronnie James Dio or Luca Prodan?
Luca Prodan: Luca Prodan (17 May 1953 – 22 December 1987) was an Italian–Scotish musician and singer. Luca Prodan:  He was the leader and singer of Sumo, one of the most influential rock bands of Argentina, and is widely considered as one of the most important artists of the last quarter of the twentieth century in his country.
i don't know