Drescher's Annoying Noise

1st level conjuration
Components: V, S, M (a piece of cracked glass)
Casting time 1 action
Duration: 1 minute (concentration)
"Ever hear a ringing noise in your ear after a loud sound stops? This is like that, but forty times as loud" You conjure an ear-piercing noise in a 30 ft radius centered around you, giving enemies in the area disadvantage on concentration checks. Additionally, when an enemy starts it's turn in range of the spell, they must make a con save or take 1 thunder damage. "Drescher was known for two things, his taste for extremely odd clothing, and his like of loud, terrible sounding music."
Classes: Bard, Sorcerer, Wizard