Two-note announcement

• Exclamation with a flourish
• Shout at the end of an impressive feat: Hyph
• "There, look what I did!"
• "Look at me!"
• "And.... voila!!!"
• "Hooray for me!"
• Fanfare noise
• Triumphant cry
• "And there it is!"

Wiktionary Word definitions in Wiktionary
interj. (alternative spelling of ta-da English)