A song starting with the letter G is Van Morrison's 'Gloria!'.
A musical instrument starting with the letter g is a guitar.
A building starting with G is the Guggenheim in New York City.
A food starting with I is ice cream; a drink starting with I is iced tea.
gingerale
Grapes
Yuengling Lager is a drink. It is a beer brewed by D. G. Yuengling, & Son. It begins with the letter Y.
A song starting with the letter G is Van Morrison's 'Gloria!'.
A thing starting with G is garage.
An antelope starting with G is gazelle.
A musical instrument starting with the letter g is a guitar.
Guinness is a brand of beer. Gatorade is a drink.
A place starting with G is Great Britain.
Daiquiri is a drink. Dr. Pepper is a drink.
GATEORADE!
Gin, Grape Juice, Ginger Beer, Ginger Wine, Gatorade, Grapa, Glenfiddich Whisky, Guiness...
A beverage starting with the letter "g" can be Gatorade... or if you found another answer, then great.