Final answer:
Mozart was touring Europe as a child prodigy at the age of five and six, showcasing his talent in composing and performing music.
Step-by-step explanation:
Wolfgang Amadeus Mozart was an extraordinarily talented child, and when he was five and six years old, he was already demonstrating his exceptional musical abilities. Among the options provided, Mozart was touring Europe as a child prodigy.
At this tender age, he had already begun composing and performing music, which stunned and delighted audiences across the continent.
His ability to play piano and his impressive skills in memorization of music and the locations of the keys are clear examples of his early musical literacy experiences.