What decibel level do you listen at?

This is a difficult question to answer, because it is highly dependent on the dynamic range of the music, and because it is (as Shadorne points out) also highly dependent on the quality of the recording.

It's pretty well recognized that music which is accurately recorded and reproduced will tend to be played louder than inaccurate, unrealistically reproduced, distorted music.

But even more significantly, music with wide dynamic range, such as well-recorded classical symphony orchestra, will tend to be played with the volume control set MUCH higher than for highly compressed material, such as most major popular releases. That will mean that the average volume level of the wide dynamic range material will be less than the average volume of the highly compressed material, but the peak volume of the wide dynamic range material will be MUCH higher.

A notable case in point would be the early Sheffield Labs direct-to-disk recording of Prokofiev's "Romeo and Juliet," conducted by Erich Leinsdorf (which is presently available remastered onto cd). I've never used an spl meter, but I would estimate that I listen to that recording with the average level in the low 70's, but with peak levels reaching around 105db (estimated based on speaker efficiency, amplifier power, and attenuation due to listening distance).

And btw, I can tell you that the 105db is not anywhere close to being as loud as the peak levels in a live performance of the same work, as listened to in the very front row at Tanglewood!