Complex sentence: He has a great vocal control and has been complimented to have a vast range, and ability showcased during live concerts when he goes from singing upbeat rock songs which gets the audience pumped up to singing with much emotion during slower tempo ballads.
Split into simpler sentences: He has a great vocal control and has been complimented to have a vast range. Which is showcased during the lives when he goes from singing upbeat rock songs which gets the audience pumped up to singing with much emotion during slower tempo ballads.