"On two pianos the piece sounded very transparent," he said.

But the piece is alive and sounds like nothing else.

The piece just sounded like a gifted musician having fun.

The piece often sounds tough; here it was spontaneous and easy.

Due to the overlapping of the melody over the bars, the piece does not sound as though if it is in a 2/4 rhythm.

So a piece will sound different every night, and not just due to the solos.

Conversely, the pieces sound as if they are longer.

With him, you always have the sense that now it's exactly how the piece should sound.

The greater the bend, the higher the note, she says, adding, "It's really amazing how a piece of steel can sound so human."

Los Guachos has made some fairly difficult pieces sound even more fluid than they did last year.