Musicals weren't invented until the 20th century, but what I think is meant here is 'what was the most prominent piece of music of the baroque period?'
Well, to answer this, I would say it was Handel's Messiah. This was an Oratorio (a religious piece of music) which was written in 1741 by Handel. It became incredibly popular, and still is today, being performed around the world at Easter. I'm sure you are aware of the Hallelujah chorus.
the most famous baroque song or piece is Le'chipirachi by Vivaldi.
The best and most funnest musical instrument is the guitar
Harpsichord
While there are many famous Baroque concertos, one of the most well-known is Bach's Brandenberg Concerto.
piano
Cristofori's "pianoforte" (piano) was introduced at the very end of the Baroque era.
Johann Pachelbel was born in 1653. He belongs to the Baroque period. His most famous composition is Canon in D.
Harpsichord
While there are many famous Baroque concertos, one of the most well-known is Bach's Brandenberg Concerto.
For me, the most famous musical instrument is the Guitar. or string musical instruments.
piano
No, it's baroque.
The organ is usually the instrument that is often played with Baroque music.
Piano
Cristofori's "pianoforte" (piano) was introduced at the very end of the Baroque era.
I think it originates from the sackbut; an instrument from the baroque era.
Didgeridoo
viol
The recorder