I like to sing along to show tunes. 
I love show tunes too!  I love going to musicals!
I do too! And I grew up watching the movies. What is your favorite musical?
There are so many great ones!  Kanky Boots is a fun one with music by Cyndi Lauper
I've never seen that one. I like some of the classics like The Sound of Music.
Yes The Sound of Music is amazing.  I watch that every time it comes on
I love how the show tunes/songs are actually part of the story. 
Yes.  While show tunes can vary greatly, they do usually fit the story and the context of what is going on.
Yes, it makes it very enjoyable. I like the recent one The Greatest Showman
The Greatest Showman
The Greatest Showman is a 2017 American musical biographical drama film directed by Michael Gracey in his directorial debut, written by Jenny Bicks and Bill Condon and starring Hugh Jackman, Zac Efron, Michelle Williams, Rebecca Ferguson, and Zendaya. Featuring 9 original songs from Benj Pasek and Justin Paul, the film is inspired by the story of P. T. Barnum's creation of the Barnum & Bailey Circus and the lives of its star attractions.
Principal photography began in New York City in November 2016. The film
a vocalist with the John Wilson Orchestra, this time in a Sinatra program. Regarding his musical passion, MacFarlane has said, "I love and am fascinated by exciting orchestration—what you can do with a band that size—and I think in many ways it's a lost art." His music is predominantly vocal jazz, show tunes, and swing. He will occasionally use musical comedy for either his shows or movies.
Music Voice and influences.
MacFarlane has a baritone voice. He is a pianist and