New words with permission, by Mary Susan Gast.  (Original soundtrack on YouTube from the musical HAIR.)

“AIR” AND THE ISO

In the summer of 1970 I was offered the role of Jeanie in the Detroit production of Hair.  I declined, but I’ve always wanted to sing Jeanie’s song from that musical.  Here it is, revised just a bit for air monitoring in Benicia in 2018.
– Mary Susan Gast

Welcome! sulphur dioxide,
Hello! hydrogen sulfide,
The air, the air
Is everywhere.

            Breathe deep, while you sleep,
            Breathe deep.
Bless you, particulate matter,
Oxides of nitrogen scatter
Incense, incense
Is in the air.

            Breathe deep, while you sleep,
            Breathe deep.
Cataclysmic emissions,
Invisible toxic conditions,
Vapor and fume
From a towering plume,
Breathing in that sullen perfume
Sends us to the emergency room.

Welcome! sulphur dioxide,
Hello! hydrogen sulfide,
The air, the air
Is everywhere.

            Breathe deep, while you sleep,
            Breathe deep,
            Deep, deep, deep-da-[cough cough]deep.

Mary Susan Gast
1 July 2018