I just love rock music do you have a personal favorite band?
I like rock music too. Rock music originated in the 1950s. My favorite is Metallica. 
What instruments are predominant in rock music? 
Rock music is centered on the electric guitar. 
Are the vocals usually a focal point?
Nope.  Rock music drew upon other genres.  Like blues, folk and jazz. 
When was the first rock music recorded?
Rock music
Rock music is a broad genre of popular music that originated as "rock and roll" in the United States in the early 1950s, and developed into a range of different styles in the 1960s and later, particularly in the United States and the United Kingdom. It has its roots in 1940s and 1950s rock and roll, a style which drew heavily on the genres of blues, rhythm and blues, and from country music. Rock music also drew strongly on a number of other genres such as electric blues
, and the intransigent heartbeart of the best of rock." The group cites the master composers (Beethoven, Chopin, Mahler, Prokofiev, Rachmaninoff) amongst their primary influences. In accounting for the apparent reference to classical music, particularly of the romantic era, Saher recalls, "I fell in love with Chopin and Beethoven very early on...what I do is informed much more by my favorite composers than any rock band." However, modern artists such as AFI, Bright Eyes, Opeth, The Mars Volta and