Tom Sandoval‘s celebrating a milestone in a loud means … blasting “Completely happy Birthday” on a trumpet — and, we’re informed not everybody was diggin’ it.

Take a look at the video, obtained by TMZ … there’s Tom, proper behind the bar at Fox Fireplace — an area Los Angeles sizzling spot — gettin’ the place to cool down earlier than lifting up the brass and enjoying the primary few notes.

Among the crowd will get into it, singing alongside to the beginnings of the tune … however, our sources say among the folks nearer to the again weren’t loving the serenade — seemingly irritated with TS.

BTW … we’re informed Tom was with a beautiful girl on the bar — unclear what their relationship is likely to be, however Sandoval is likely one of the most eligible bachelors round.

Additionally … unclear the place Tom acquired the trumpet from — however, we do not think about he is lugging it round on a bar crawl. So, it is doable the bar had one, and it was simply calling his identify.

Clearly, Tom’s tremendous proficient … he is the frontman of a reasonably widespread cowl band “Tom Sandoval & The Most Extras” — so, he is simply proving as soon as once more he is acquired that expertise for music.

FWIW … Tom’s talked about enjoying his trumpet earlier than — saying enjoying it is all the time a deep, significant expression of himself. A few of his costars had been much less enthusiastic.

We’ll should see if this leads anyplace … trumpeter Cameo vids anybody???