There are many techniques on how people create music in their life. There is no reason for a person not to love music.
You see many beautiful music because of the musical instruments also.
The production of good sounds depends of the one playing the instruments. Compare an acapella and the one with music. Which one is better? Of course, with music. The main sound comes from the combination of musical instruments.
There is no definite musical instruments to use just to produce good music. The one who plays musical instruments have to be perfect in any way. This is the technique.
Combine two or more musical instruments to play. The best music to hear is a combination of piano and drums. Orchestra is regarded as best music ever heard. Percussion is one of the oldest musical instruments and produces amazing music to hear.
Violin with flute is also good to go together if there are lacking of players. Orchestra of course is something that has to be played by many. But for those who are lacking of players, they can pick what musical instruments they would combine to make a music.
There should be no error in playing in order not to destroy the music. The musician has to be able to hear what is good and what is not good. However, there are times that even if there is an error, the music is still good to hear. This is to make sure that there will be no bad critics for the music. Some can actually do that.