Do Sound engineer still need to use the techniques to replicate sounds for films and television?

Does anyone know how to balance two online classes at once when the deadline is may 10th?

After first arriving in new york, charlie parker took a job as a dishwasher at jimmy's chicken shack, where played the piano nightly. listening to his astonishing harmonic restructuring, virtuoso phrasing, and breakneck tempos every night for three months, charlie parker challenged himself to adopt these qualities into his playing, and he continued to practice tirelessly.

For the difference command to work, what needs to happen?