Square-shaped b sign from medieval chant notation, the hard b, meaning B natural, contrasted with the round soft b flat.
U+1D1D1MUSICAL SYMBOL GREGORIAN F CLEFU+1D1D3MUSICAL SYMBOL VIRGAU+1D1D0MUSICAL SYMBOL GREGORIAN C CLEFU+1D1D4MUSICAL SYMBOL PODATUSU+1D1CFMUSICAL SYMBOL CROIXU+1D1D5MUSICAL SYMBOL CLIVISU+1D1CEMUSICAL SYMBOL TEMPUS IMPERFECTUM CUM PROLATIONE IMPERFECTA DIMINUTION-3U+1D1D6MUSICAL SYMBOL SCANDICUSU+1D1CDMUSICAL SYMBOL TEMPUS IMPERFECTUM CUM PROLATIONE IMPERFECTA DIMINUTION-2U+1D1D7MUSICAL SYMBOL CLIMACUSU+1D1CCMUSICAL SYMBOL TEMPUS IMPERFECTUM CUM PROLATIONE IMPERFECTA DIMINUTION-1U+1D1D8MUSICAL SYMBOL TORCULUS256 characters in the Musical Symbols Unicode block, from number 211.
U+1D1D2MUSICAL SYMBOL SQUARE BU+1D1D3MUSICAL SYMBOL VIRGAU+1D1D4MUSICAL SYMBOL PODATUSU+1D1D5MUSICAL SYMBOL CLIVISU+1D1D6MUSICAL SYMBOL SCANDICUSU+1D1D7MUSICAL SYMBOL CLIMACUSU+1D1D8MUSICAL SYMBOL TORCULUSU+1D1D9MUSICAL SYMBOL PORRECTUSU+1D1DAMUSICAL SYMBOL PORRECTUS FLEXUSU+1D1DBMUSICAL SYMBOL SCANDICUS FLEXUSU+1D1DCMUSICAL SYMBOL TORCULUS RESUPINUSU+1D1DDMUSICAL SYMBOL PES SUBPUNCTISU+1D1DEMUSICAL SYMBOL KIEVAN C CLEFU+1D1DFMUSICAL SYMBOL KIEVAN END OF PIECEU+1D1E0MUSICAL SYMBOL KIEVAN FINAL NOTEU+1D1E1MUSICAL SYMBOL KIEVAN RECITATIVE MARKU+1D1E2MUSICAL SYMBOL KIEVAN WHOLE NOTEU+1D1E3MUSICAL SYMBOL KIEVAN HALF NOTEU+1D1E4MUSICAL SYMBOL KIEVAN QUARTER NOTE STEM DOWNU+1D1E5MUSICAL SYMBOL KIEVAN QUARTER NOTE STEM UPU+1D1E6MUSICAL SYMBOL KIEVAN EIGHTH NOTE STEM DOWNU+1D1E7MUSICAL SYMBOL KIEVAN EIGHTH NOTE STEM UPU+1D1E8MUSICAL SYMBOL KIEVAN FLAT SIGNU+1D1E9MUSICAL SYMBOL SORIU+1D1EAMUSICAL SYMBOL KORONU+1D1EBMUSICAL SYMBOL HALF SHARPU+1D1ECMUSICAL SYMBOL ONE AND A HALF SHARPU+1D1EDMUSICAL SYMBOL REVERSED FLATU+1D1EEMUSICAL SYMBOL REVERSED FLAT AND FLATU+1D1EFMUSICAL SYMBOL HALF SHARP UPU+1D1F0MUSICAL SYMBOL HALF SHARP DOWNU+1D1F1MUSICAL SYMBOL ONE AND A HALF SHARP UPU+1D1F2MUSICAL SYMBOL ONE AND A HALF SHARP DOWNU+1D1F3MUSICAL SYMBOL REVERSED FLAT UPU+1D1F4MUSICAL SYMBOL REVERSED FLAT DOWNU+1D1F5MUSICAL SYMBOL REVERSED FLAT AND FLAT UPU+1D1F6MUSICAL SYMBOL REVERSED FLAT AND FLAT DOWNU+1D1F7MUSICAL SYMBOL DIGIT TWO WITH STROKEU+1D1F8MUSICAL SYMBOL DIGIT FOUR WITH STROKEU+1D1F9MUSICAL SYMBOL DIGIT FIVE WITH STROKEU+1D1FAMUSICAL SYMBOL DIGIT SIX WITH STROKEU+1D1FBMUSICAL SYMBOL DIGIT SEVEN WITH STROKEU+1D1FCMUSICAL SYMBOL DIGIT NINE WITH STROKEU+1D1FDMUSICAL SYMBOL DIGIT FIVE WITH LOW STROKEU+1D1FEMUSICAL SYMBOL DIGIT SEVEN WITH LOW STROKEU+1D1FFMUSICAL SYMBOL LONGA REST