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Goodwill - Additional Information (Details)
 12 Months Ended
Dec. 31, 2021
Music Events Business  
Disclosure Of Reconciliation Of Changes In Goodwill [Line Items]  
Financial budgets covering period 5 years
Cash flow projections pre-tax discount rate 21.70%
Growth rate percentage of cash flows beyond five year period 3.00%
Subscription Licensing And Smart Music Learning Business [Member]  
Disclosure Of Reconciliation Of Changes In Goodwill [Line Items]  
Financial budgets covering period 5 years
Cash flow projections pre-tax discount rate 19.70%
Growth rate percentage of cash flows beyond five year period 3.00%