https://www.musical-u.com/learn/5-minute-guide-to-interval-ear-training/
Intervals are an essential skill for musicians, letting you easily play by ear, create your own music and improvise freely.
But interval ear training can be confusing and overwhelming when you’re just getting started.
What if you could learn everything you need to know about intervals in just 5 minutes? https://www.musical-u.com/learn/5-minute-guide-to-interval-ear-training/