how to tune a guitar without a tuner

online guitar tuners i recommend: 1. https://yousician.com/guitartuna (for mobile) 2. https://www.fender.com/online-guitar-... (for PC) timestamps: 0:00 i n t r o 0:30 what being "in tune" sounds like 1:53 how the "trick" works 3:12 demo of the "trick" 4:01 a summary 4:44 o u t r o i am in no way a professional, but this is a helpful tip i wanted to share while i, myself, am learning how to get good at guitar; i hope it was useful :))) the guitar played in this video is an Epiphone DR-100 in its natural variation; the guitar and my voice are being picked up by a pair of Apple EarPods. recorded on an iPhone 6 Plus. as always stay happy out there enzo out