After a few moments and some tweaking with the instrument, he got back started again but still wasn't satisfied with the sound after a minute or so.
In his third try, Elton was content and continued. A crew member laid on the stage underneath the piano with a flashlight during much of the number.
"Sorry about that," the songster said to the audience, many of the attendees initially thought the outburst was part of the show. "I can't play if it's not 100 percent.
Later on, he again apologised and said he wasn't trying to be a jerk.
"I just want perfection for you guys," he said to the crowd, which cheered back enthusiastically.