Here is a list of the best musical movies to watch on Amazon, Google Play or iTunes.
My favorite ones are "La La Land", "Singin' in the Rain" and "Sing" dilogy.
Also here are the best movies of all time and genres.If you like movies of specific genre, here are my list of the best action, adventure, animation, biography, comedy, crime, drama, family, fantasy, history, horror, mystery, romance, sci-fi, thriller, war or western movies.
If you have more time, feel free to check out my other lists of the best dilogy, trilogy, quadrilogy, pentalogy or hexalogy movies.
Or feel free to check out my other movie lists of the best movie directors, actors or actresses.

Green Book
2018 | Peter Farrelly
biography comedy drama musical
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Coco
2017 | Lee Unkrich, Adrian Molina
animation adventure comedy family fantasy musical mystery
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

La La Land
2016 | Damien Chazelle
comedy drama musical musical romance
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Whiplash
2014 | Damien Chazelle
drama musical
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Charlie and the Chocolate Factory
2005 | Tim Burton
adventure comedy family fantasy musical
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Chicago
2002 | Rob Marshall
comedy crime musical
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

The Little Mermaid
1989 | Ron Clements, John Musker
animation adventure comedy family fantasy musical romance
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Some Like It Hot
1959 | Billy Wilder
comedy musical romance
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Singin' in the Rain
1952 | Stanley Donen, Gene Kelly
comedy musical romance
Watch on Amazon, Google Play or iTunes. Also available to buy on Amazon.

Frozen
2013 | Jennifer Lee, Chris Buck
animation adventure comedy family fantasy musical
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon or Google Play.

Frozen II
2019 | Jennifer Lee, Chris Buck
animation adventure comedy family fantasy musical
Watch on Amazon, Google Play or iTunes. Also available to buy separately on Amazon or in a bundle on Amazon or Google Play.