Adele is probably at the height (or close to it) of her career. Her songs are hanging at the tops of the charts across the world and surpassing the records of her mentors. I think she has even been inducted into the Guiness book of world records.
She has a very "rounded" sound~ I can hear jazz, blues, country, and "pop" (of course) plus she has the ability to cover a nice range of upper and lower notes (especially lower).
She has a soulful sound. She sings the kind of music you will want to listen to for years to come, the problem is this: She is ruining her voice with alcohol and cigs.
In the beginning when you are young alcohol and cigs can give you a grainy, deep soulful sound as their effect sets in, but sooner or later, the deep breathing from the diaphragm is killed and the top octaves say "bye bye" ~ the long swooning notes are no longer attempted because the breathing capacity is gone. This is too bad because it doesn't look like she is gonna quit smoking any time soon.
She writes these songs from her heart, probably because she spends a lot of time alone, smoking, drinking and crying.
Many male singers can get away with singing and smoking for a lot of years, but females? Not so much. I hope she realizes what kind of talent she possesses and keeps the cigs in moderation. Most people don't know how to do ANYTHING in moderation, so it could be that she is here and popular..
only for a short while.