CHICAGO, December 12, 2018-- Trala, an app that teaches violin, has raised an oversubscribed $1.29MM seed investment round from Jeff Weiner, CEO of LinkedIn; lead investor Origin Ventures; and Techstars Ventures. Other notable investors include Luis Von Ahn (CEO at language-learning app Duolingo), Bob Meese (VP of Business at Duolingo) and Severin Hacker (CTO at Duolingo). The Trala app promises to teach violin faster and more effectively than “your standard private teacher,” says Sam Walder, CEO of Trala. “First-time violinists can learn their first song in 10 minutes instead of 3 weeks.