Between the ages of six and fifteen, mozart

Mozart was already composing songs.

Explanation:

Born in Salzburg Germany in 1756 and  Mozart showed exceptional musical talent as a child and was recognized as a child prodigy. His father, a composer and violinist in the Arch-bishop’s service, recognized his son’s innate musical talent when he was giving Mozart’s sister keyboard lessons while Mozart observed.

He began mimicking her playing and showed a strong understanding of the chords, tonality, and tempo and was soon also being taught by his father. By age three his perfect pitch was recognized, at age five he was a talented harpsichord player, and at age six he was composing. At that age, he toured Europe allowed and was exposed to many different cultures and musical styles.

jan tschichold, the son of a designer and sign painter