Very nice list. Kudos to you. I truly enjoy the artists you named. I will name a few more you missed ( you did not miss most though
)
Junior (try Perdoname ) had a few.
Tito Rodriguez
Pellin Rodriguez has a few ballads (Oyeme Locutor), as well as, being the first maine voice for the Gran Combo
Miguel Gallardo
Marco Antonio Muniz
Miriam Hernandez
Pimpenela
Raul Di blasio (piano songs, nice!!!)
Jeanette
Napoleon
Lani Hall
Los Enanitos Verde
Lupita D'Alessio
Hilda Murillo
Jose Luis Rodriguez
El Trio de Conde
Sophy
Vicki Carr
Lissette