Is a Gb to a G a half step or a whole step?

What do i do if i want to hit someone with a bus

In the ninteenth century,why was it more nessesary for art to provide accyrate represemtations of life and objects

What was ottaviano petrucci known for? a. he made the first violin. b. he choreographed the first ballet. c. he wrote the song greensleeves, a famous english folk song. d. he printed the first significant collection of polyphonic music.