Those who've attended colleges with thriving music societies will relate to the high you get when a group of more than 10 people get together and harmonise in an a capella set-up. It's nothing short of magical when the different progressions of notes intertwine to pierce the silence. You get goose bumps and butterflies in the stomach all at once. What makes the whole experience memorable is the fact that the singers are using only their voices to create the beats, representing instruments as well as the lyrical melody. All one needs is good acoustics.

On Friday, 13 seniors from Yale University will take the stage in Bandra, to showcase their vocal prowess and woo Mumbaikars to open up their instrumental-heavy preferences to the charm of simple acoustics. The group of 20-somethings called Whim 'n Rhythm is comprised of only women at the moment — which was also the reason it was formed in 1981. "It was founded to create a space for women to sing as seniors at Yale. Today, people of all genders are invited to audition, but we've retained our name," says Anelisa Fergus, the musical director. Singing in a treble-voiced ensemble for sure creates a unique sound, she admits. "It's complex as many of our harmonies are close," Fergus adds.