Is there a low B on recorder?
On the soprano recorder, low Bs are very much possible and can be produced by covering all the holes and the one at the end by half. ... All the other denominations can also go an extra semitone lower than MuseScore says by doing this.
How do you play a low B on a recorder?
Cover the top three holes of the recorder with your left hand's first three fingers (one finger per hole). Place your right hand's middle and ring finger over the fifth and sixth holes. Place your mouth on the recorder's mouthpiece and blow with a steady stream of air to produce low B.