Hello all. I recently bought earplugs called EarDial. https://www.amazon.com/EarDial-Ear-Plugs-Comfortable-High-Fidelity/dp/B00P2NTVPA. They have SNR 20 and NNR 11. Do you think that they will protect my ears? I really like them, because they are pretty invisible. The concert is going to be...