Connections Hint Today Tue, Jan 7 #609

Need help with Connections puzzle #609 on Tue, Jan 7? Get your daily connections hint today! Find the hidden links between these 16 words: A CAPPELLA, BARBERSHOP, DOO-WOP, MADRIGAL, A FEW, CERTAIN, SOME, VARIOUS, A LIFE, A NOVEL, ESSAYS, PART ONE, A DEAL, A ROSE, ENOUGH, LOVE