A couple years ago I had two very similar conversations with two different friends, reminiscing about being in our early 20s, aspiring musicians, just sitting around with friends getting high and playing music for hours and how nostalgic we were for that.
We're all deep into adulthood with responsibilities but I scheduled a "bring your guitar and smoke weed" party. It was a blast, we do it a few times a year now. Cannabis may not be illegal in your area, but.