Go to any concert and you’re bound to find the type of person who is gung-ho about the band. Her arms are flailing and her eyes are closed as she rocks out listening to the music. As an outsider looking in, you wonder what really is going on in her head and how enthralled she must be. You’re jealous because it must be pretty spectacular in there. The music moves that person to such a degree that her body can’t keep up with the rhythms and you wish it did the same for you. Now, the really spectacular shows will make a convert out of everyone in the audience. The Indie Music Showcase at the Mercury Lounge for the Latin Alternative Music Conference did just that.

It started with Forro in the Dark, a Brazilian band, whose rhythmic bongo beats paired with classic Brazilian flutes warmed up the crowd. A group of six Latin American men playing their bongos and guitars is sure to liven up anyone, especially given that they tend to goof and parade onstage while playing their instruments. Back in 2006, these guys played with David Byrne at Joe’s Pub for their record release party for their CD “Bonfires of Sao Joao.” Byrne actually sings on the record. Their ethnic beats combined with contemporary electric guitars and synchronized chanting makes for a new kind of country-esque Brazilian pop. Musicians who enjoy what they do and are good at it? That’s what really gets a crowd going.

The next act was Pilar Diaz<....