Need help! First step into high end audio

Greetings! I have a LG55OLEDC1, first time having a semi fancy TV and am looking to get a fancy audio set up to match.

 I am in New York, and looking to have the primary use be movies and gaming, followed closely by music.  I’m fine with starting small and adding on bit by bit until it’s all set.

There are so many options and am a bit overwhelmed.  Looking to go as close to 2k, mayyybe 3k at the high end.

Any suggestions you can provide would be greatly appreciated.  A home theater company suggested bowers 600 series and starting with Left/Right/Center to start.