* sequence to midi converter contributed by Natsuhiro Ichinose   http://www.genome.ist.i.kyoto-u.ac.jp/~ichinose/bio/biomidi/
* sequence to midi converter contributed by Natsuhiro Ichinose
  http://www.genome.ist.i.kyoto-u.ac.jp/~ichinose/bio/biomidi/

csw/bioruby-phyloxml