Person
| abv | GRAEFF |
|---|---|
| forename | Johann Georg |
| notes | <1785: first>. |
| concerts | 2689, 2689, 2713, 2721, 2759, 2770, 2777, 2933, 2938, 2958, 3002, 3004, 3108, 3115, 3119, 3122, 3130, 3135, 3136, 3136, 3146, 3153, 3175, 3218, 3259, 3262, 3264, 3274, 3278, 3288, 3289, 3292, 3294, 3305, 3316, 3324, 3356, 3363, 3370, 3370, 3401, 3403, 3453, 3464, 3498, 3560, 3563 |