Performed without help

• Played alone with frisky poodles, when lead removed
• Flew alone
• Piloted alone
• Relied on no one else
• Took a verse alone
• Performed a concerto's cadenza
• Played unaccompanied
• Eschewed the backup group
• Flew by oneself

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