What’s it with a cup of tea and the lockdown? It seems to be director-writer Muhsin Parari’s cup of tea and the result is the Malayalam single, ‘Chaayappaattu’, composed and sung by Sithara Krishnakumar. Minimalistic visuals of piping hot black tea steaming the sides of a glass into which it is poured, Sithara’s voice, Muhsin’s lyrics and notes of the …