Conversation so far:
What is one of the concertos Tan Dun wrote?
The first concerto in the series, Yi1: Intercourse of Fire and Water (1994), was written for and premiered by cellist Anssi Karttunen.
Was Yi1: Intercourse of Fire and Water by Tan Dun performed live anywhere?
What was another piece that Tan Dun wrote?
The second work, Yi2: Concerto for Guitar and Orchestra (1996), combines flamenco and pipa techniques and was premiered by Sharon Isbin
Are there any other interesting aspects about the Tan Dun article?
In 2008, Tan Dun was commissioned by Google and YouTube to write an inaugural symphony for the YouTube Symphony Orchestra (YTSO) project.
What was the title of the piece Tan Dun wrote for Google and YouTube?
The resultant work, Internet Symphony No. 1 Eroica, was recorded by the London Symphony Orchestra and uploaded to YouTube in November 2008.
Does the Tan Dun article disclose how much Google and Youtube paid him for Internet Symphony No. 1 Eroica?
Does Tan Dun write for specific instruments, like the piano for example?
Yes
Is there another piece that Tan Dun wrote mentioned in the article?
The first major work for organic instruments was his Water Concerto for Water Percussion and Orchestra

Question: When did he write that?
Self-contained rewrite: When did Tan Dun write Water Concerto for Water Percussion and Orchestra?