why is there no music

https://preview.redd.it/sxe2v0sqk1ae1.png?width=2558&format=png&auto=webp&s=e1c93531bd7904496bfb8a18310fbb38f26ab0e9

blabbles on something about the java version being x86 or 32 bit but idk why it isnt making music (getting into b1.7.3 for the first time btw)