Given the question: What type of details about john wozniak can be gathered from the following bio? Bio: john keith wozniak -lrb- born january 19 , 1971 -rrb- is an american musician , best known as the lead singer , guitarist and songwriter of the band marcy playground . he is the son of robert wozniak , a developmental psychologist dad , and nora wozniak , a free spirited bohemian mother .
The answer is:
- instrument - years active - caption - birth name - label - genre - birth date - name - background - image - birth place - associated acts - occupation