I spent a little time in a smoky environment recently and this really irritated my throat and added to asthma symptoms. I try to avoid smoke when possible. But I woke up with a very irritated and sore throat and went straight for the coca tea (my tea of choice) which I am finding very soothing and calming.
I enjoy finding new ways to use coca tea :)
I'm a singer, too (as a hobby). I will have to experiment with coca and throat endurance.