Gave a piano recital

• Performed a concerto's cadenza
• Performed without accompaniment
• Took a verse alone
• Went up alone
• Went it alone
• Eschewed the backup group
• Went wild on the drums, maybe
• Forwent a co-pilot
• Flew without a co-pilot

Wiktionary Word definitions in Wiktionary
vb. (en-past of: solo )