The British Invasion

In 1964, a British Invasion group achieved prominence by knocking the Beatles off the top of the British charts for the first time. Name the group, and the song that did it.
What B.I. group had the nerve to write the following lyrics? "We are the office block persecution affinity God save little shops, china cups, and virginity."
What was the first B.I. group to appear on "The Ed Sullivan Show"?
On the Who's first American cross-country tour, they were the supporting group for a certain band. Name this band.
One of the most famous chords in all of popular music is George Harrison's opening chord of "A Hard Day's Night." Now, Music majors, what was this chord?
A B.I. group started a dance craze with a song they named after themselves. Name the group and the song.
Who was responsible for the Beatles' "gear" moptop haircuts?
Name the Yardbirds' five guitarists.
Who was the only B.I. figure to be featured in "Ebony"?
Bill Wyman has always been the least visible Rolling Stone. He is the oldest member of the group, he was married before he joined, and his publicity sheet of 1964 listed his passions as "astronomy and cashew nuts." In spite of these detriments, he was brought into the group for a very specific reason. What was the reason?
Before the Who were the Who, they had two other names. What were they?
What Beatles song does Mick Jagger sing on?
Lennon/McCartney wrote a #1 hit for another B.I. group besides the Beatles. Who was the group, and why did they write the song?