In the early 40’s and 50’s, what were the two lead instruments in rock and roll

Nstrumental music that supports the main part(s) chamber music 2. a large group of instruments usually including woodwinds, brass, and percussion band 3. music written for small ensembles for an intimate setting accompaniment 4. a person who leads an ensemble conductor 5. an electronic keyboard capable of multiple instrument sounds

In what way did van gogh put paint on his canvas when he painted wheatfield with crows? he put his paint on the canvas using very thin strokes of paint. he put his paint on the canvas using very well blended strokes of paint. he put his paint on the canvas as thick as toothpaste.

How many apple store geniuses does it take to change a lightbulb?