hey man welcome to freedom i like the theme to your channel mate its unique hope you do great!
if you need any help with anything let me know i might be able to help :D
background music is the best way to attract your audience into watching and it adds a sense of action to your videos. and if you want non copyrighted songs i can hook you up man just let me know
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tbh the only way to boost preformance in game is having a better pc but if you want to record with better preformance i recommend obs studios its free and you record with like only a 2 fps drop
honestly you should record what you want to play bc they make for the best videos but my favorite game out of the bunch is rocket league
just saying lol