private void writeGraceEffect(TGEffectGrace effect) {
int header = 0;
header = (effect.isDead()) ? header |= GRACE_FLAG_DEAD : header;
header = (effect.isOnBeat()) ? header |= GRACE_FLAG_ON_BEAT : header;
// excribo el header
writeHeader(header);
// excribo el fret
writeByte(effect.getFret());
// excribo la duracion
writeByte(effect.getDuration());
// excribo el velocity
writeByte(effect.getDynamic());
// excribo la transicion
writeByte(effect.getTransition());
}
