Ideal Temperature for Singing
Along is about 20° Celsius
(Room Temperature is 20° C)
Sing Along!
"Make a cube, one tenth the unit meter...
It's the volume of exactly one liter...
It's the mass of exactly one kilogram
to please us,
Water Boils at 100 and at zero it Freezes!"

0 °C (Celsius) That Is! (at sea level)

A Quick Temperature Conversion in Reverse
16 °Celsius is about 61 °Fahrenheit
  and  28 °Celsius is about 82 °Fahrenheit

DID YOU KNOW? ( Video) that you can divide 1 meter by exactly 10 equal parts (10 cm x 10 cm x 10 cm) then make a cube (1000 cm³) of it to fill with water and you will find that it contains exactly 1 L (1 liter) (1000 mL) of water and is the mass of exactly 1 kg (1 kilogram) (1000 g) ALL SIMPLY RELATED IN 10!
AND THAT "centimeters, milliliters, milligrams" VIDEO CLIP
1 cm³ (1 cubic centimeter) filled with water contains exactly 1 mL (1 milliliter) and is the mass  of exactly 1 g (1 gram)