What better way to while away the day than to dig the sound of some oh-so-cool Afro-Peruvian jazz at 3:00 in the afternoon? Forbidden Tropics—bassist James Nascimento, keyboardist Robbie Sko, guitarist Alejandro Ataucusi, drummer Mike Dick and their secret weapon (David Greff on cajon, cajita and donkey jaw) should blow the roof off the Madison Community Arts Center on Kings Road with the Alexander Rausch Ensemble opening.