It is a type of "mirliton", which is a membranophone, one of a class of instruments which modifies its player's voice by way of a vibrating hums, rather than blows, into the instrument.
It is a type of "mirliton". A type of "mirliton" is a membranophone. A membranophone is one of a class of instruments. These instruments modifies its player's voice by way of a vibrating hums, rather than blows. This is into the instrument.