Tell me a bio of Paul Shaffer.
Paul Shaffer is a Canadian-American musician, composer, and television host, best known for his long-running collaboration with David Letterman on various talk shows. He was born on November 2, 1949, in Thunder Bay, Ontario, Canada.

Shaffer began his career in the late 1960s as a session musician in Toronto, playing keyboards for various artists and bands. In the early 1970s, he moved to the United States and worked as a session musician in New York City, playing on recordings by artists such as Solomon Burke, Judy Collins, and Cat Stevens.

In 1982, Shaffer joined the staff of NBC's "Saturday Night Live" (SNL) as the music director and bandleader. He held this position until 1986, during which time he also appeared as a featured player on the show. Shaffer's band, The World's Most Dangerous Band, became a staple of SNL and helped launch the careers of several future stars, including Eddie Murphy and Chris Rock.

In 1993, Shaffer began working with David Letterman on his new talk show, "Late Show with David Letterman," which aired on CBS. Shaffer served as the bandleader, music director, and a regular sidekick on the show until its finale in 2015. He also appeared on Letterman's earlier talk show, "Late Night with David Letterman," which aired on NBC from 1982 to 1993.

Throughout his career, Shaffer has worked as a session musician, composer, and arranger on numerous recordings, including albums by Bob Dylan, Judy Collins, and John Denver. He has also appeared as a guest performer on various television shows and in films, including "Saturday Night Live," "The Muppet Show," and "The Blues Brothers."

Shaffer has received several awards and honors throughout his career, including multiple Emmy Awards and a star on the Canadian Walk of Fame. He continues to perform and record music, and has released several solo albums.
Paul Shaffer is a Canadian-American musician, composer, and television personality, best known for his long-running collaboration with David Letterman on various talk shows. Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto.

In the early 1970s, Shaffer moved to New York City to pursue a career in music. He quickly gained a reputation as a versatile and talented musician, playing keyboards and arranging music for various artists, including The Rolling Stones, Luciano Pavarotti, and Judy Collins.

In 1982, Shaffer joined the staff of NBC's "Late Night with David Letterman" as the bandleader and musical director. He held these positions until 1993, when Letterman moved to CBS and started "The Late Show with David Letterman." Shaffer continued to serve as the bandleader and musical director for this show until 
Paul Shaffer is a Canadian-American musician.
Paul Shaffer is a Canadian-American musician, composer, and television personality, best known for his long-running collaboration with David Letterman on various talk shows
Paul Shaffer is a composer.
Paul Shaffer is a Canadian-American musician, composer, and television personality, best known for his long-running collaboration with David Letterman on various talk shows
Paul Shaffer is a television personality.
Paul Shaffer is a Canadian-American musician, composer, and television personality, best known for his long-running collaboration with David Letterman on various talk shows
Paul Shaffer is best known for his long-running collaboration with David Letterman on various talk shows.
Paul Shaffer is a Canadian-American musician, composer, and television personality, best known for his long-running collaboration with David Letterman on various talk shows
Shaffer was born on November 2, 1949.
 Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto
Shaffer was born in Thunder Bay, Ontario, Canada.
 Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto
Shaffer grew up in a musical family.
 Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto
Shaffer began his professional career in the late 1960s.
 Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto
Shaffer began his professional career as a session musician in Toronto.
 Born on November 2, 1949, in Thunder Bay, Ontario, Canada, Shaffer grew up in a musical family and began his professional career in the late 1960s as a session musician in Toronto
Shaffer moved to New York City.
In the early 1970s, Shaffer moved to New York City to pursue a career in music
Shaffer moved to New York City to pursue a career in music.
In the early 1970s, Shaffer moved to New York City to pursue a career in music
He quickly gained a reputation as a versatile and talented musician.
 He quickly gained a reputation as a versatile and talented musician, playing keyboards and arranging music for various artists, including The Rolling Stones, Luciano Pavarotti, and Judy Collins
He played keyboards for various artists.
 He quickly gained a reputation as a versatile and talented musician, playing keyboards and arranging music for various artists, including The Rolling Stones, Luciano Pavarotti, and Judy Collins
He arranged music for various artists.
 He quickly gained a reputation as a versatile and talented musician, playing keyboards and arranging music for various artists, including The Rolling Stones, Luciano Pavarotti, and Judy Collins
He worked with Luciano Pavarotti.
 He quickly gained a reputation as a versatile and talented musician, playing keyboards and arranging music for various artists, including The Rolling Stones, Luciano Pavarotti, and Judy Collins
In 1982, Shaffer joined the staff of NBC's "Late Night with David Letterman."
In 1982, Shaffer joined the staff of NBC's "Late Night with David Letterman" as the bandleader and musical director
Shaffer joined the staff as the bandleader.
In 1982, Shaffer joined the staff of NBC's "Late Night with David Letterman" as the bandleader and musical director
Shaffer joined the staff as the musical director.
In 1982, Shaffer joined the staff of NBC's "Late Night with David Letterman" as the bandleader and musical director
He held these positions until 1993.
 He held these positions until 1993, when Letterman moved to CBS and started "The Late Show with David Letterman