UX sounds classification

Part 1
Alarm clock ringing: A loud, piercing sound that signals the start of the day and it's a bad classification of sound because the sound is jarring and disruptive and can be stressful.
Bird chirping: A melodic high pitched sound that's uplifting and calming and it's a good classification of sound because it's pleasant and soothing.
Toaster popping: A sudden sharp sound that staring but also satisfying and it's a good classification of sound that indicates that toast is ready.
Sirens blaring: A loud, wailing sound that's alarming and attention- grabbing and it's a bad classification of sound because it's stressful and frightening.
Airplane engines roaring: A loud, rumbling sound that's intense and awe-inspiring and it's a good classification of sound because it signals adventures and travel.