Play NYT Connections Puzzle #609 Tue, Jan 7

Find groups of four related words Need hints?

Solve NYT Connections puzzle #609 - Group 16 words into 4 categories: A CAPPELLA, BARBERSHOP, DOO-WOP, MADRIGAL, A FEW, CERTAIN, SOME, VARIOUS, A LIFE, A NOVEL, ESSAYS, PART ONE, A DEAL, A ROSE, ENOUGH, LOVE.