Dom and the truth

One of the following statements is true -

1) Blind Deaf Mung Bean Jefferson got half way through 'Two Little Boys' before realising his instrument wasn't switched on.

2) The Jazz Midwife successfully delivers Mrs Steinway's new baby.

3) Stylophonious Monk claimed he was always trying to hit the notes between the notes.

4) On the lower east side, they called him Frankie the Stylophone on account of the fact his name was Frankie.

5) Dom is confused by Jazz Fusion.