New York, NY (Top40 Charts) Toronto native and UK-based singer/songwriter Blaise Moore surprises fans with the release of “Best Next Ex” her brand new single out today via 21 Entertainment/Universal Music. Produced and co-written by Jon …New York, NY (Top40 Charts) Toronto native and UK-based singer/songwriter Blaise Moore surprises fans with the release of “Best Next Ex” her brand new single out today via 21 Entertainment/Universal Music. Produced and co-written by Jon …