Yes, it’s pretty normal. It effect different Horse flag america sunset tshirt. When I had my first weed, my ear senses got increased​ dramatically​. I was on my terrace and can hear the birds flapping wings, the sound of the motorbike I’ve never heard before as I was able to hear the tyre rolling, literally and in music, I was able to understand every instrument and the beats, though i didn’t paid much attention to the words (lyrics). And the most terrifying part was the moment when I literally felt my heart beats, like Hammer.