His most globally recognized lyrical work.
A more recent literary work by an author with a similar name, Gabriel Luna Andaluz . Dame 5 Reg by Gab Luna
If you are looking for a specific artistic piece or "reg" (possibly shorthand for a registration, regulation, or a specific regional work), it may be one of the following: His most globally recognized lyrical work
One of his most famous "pieces" is the lyrics for the song (composed by Miguel Prado), which was later adapted into the English jazz standard "Time Was" . or a specific regional work)