| Questions | Answers | Useless Knowledge |
| Given name | |
| Family nickname | |
| French variation of 'Johan' | |
| Nationality | |
| First language | |
| Year born (+/- 3 years) | |
| Date born (December) | |
| Denomination of bill featuring his image (discontinued) | |
| Holiday celebrated on his birthday | |
| Musical period in which he is classified | |
| Primary instrument | |
| Studied this before music | |
| Wrote ritual music for this organization | |
| | Questions | Answers | Useless Knowledge |
| Wife's name | |
| Name for his home on Lake Tuusula | |
| Number of children | |
| Number of Symphonies | |
| Boston Symphony conductor (and bassist) who commissioned his unfinished final symphony | |
| Most famous tone poem | |
| Number of Concerti | |
| Instrument for which he wrote the most concerti | |
| Last major work (tone poem) | |
| Year died (+/- 3 years) | |
| Type 'Spring water' | |
| Type 'everyone's a critic' | |
|