Blues SOLIST PRO Harmonica AB. Available in 20 different keys or voicings, the Blues SOLOIST is a great go-to harmonica for the discriminating professional. Diatonic harmonica with laser cut body and half-flat stainless steel covers. The Solist Pro has the following features: German Silver reedplates optimized for loudness and extreme airtightness reeds specially set for best response half-flat covers for brilliant sound wooden body, multiple coats of sealant for a resistant finish comes with convenient leather pouch The dividers at the hole entrances are carefully rounded, lending a kind of lip comfort that is usually only possible with a plastic comb.