aquot;Ita#39;s a challenging piece for me because of the special steel pan solo I play, aquot; says Becker. ... and other metallic instruments a Japanese temple bells and Chinese gongs with specific pitches, plus a sheet cymbal developed by Sabian. ... The first half of our concert was all improvisation a a totally free piece. The second half was the first time we played any ragtime music in front of a convention audience. ... aquot;We also played some rags at the con- American Drum aquot;We make mallets.