It's music from The Phantom of the Opera.
The rest is just music composed for the episode.
Smith was introduced in Season 6, Episode 2, titled "Great Sexpectations".
First season episode "His Majesty Smith" and second season episode "Treasure of the Lost Planet".
Depends on which TV show roger smith you're asking about, there's the Roger Smith that appeared in the anime, Big O. There's also the alien in American Dad named Roger Smith.
Roger Smith
In the "Sabrina the Teenage Witch" Season 2 episode titled "The Equalizer," Thumbelina was portrayed by actress Samantha Smith. Her appearance was brief, appearing only for a few seconds at the end of the episode. Smith is known for her work in various television shows and films, but this role is a notable guest appearance in the series.
Matt Smith first apears in the last episode of season 4, episode 18, "The End of Time (Part 2)" and returns in the first episode of season 5 in "The Eleventh Hour."
Smith was introduced in Season 6, Episode 2, titled "Great Sexpectations".
Season 6, from the episode McStroke
First season episode "His Majesty Smith" and second season episode "Treasure of the Lost Planet".
YES
The first episode of series 3.
Stark Raving Dad; season three, episode one.
Yes
She was a character which guest stared season 5 and became a maim character in season 6
Roger Smith was born on December 18, 1932.
Roger W. Smith was born in 1970.
In Japanese his voice actor is Katsuhiko Kawamoto and in English it is Roger Craig Smith. In episode 135 it is Quinton Flynn.