======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'Original Broadway Cast Recording'
                                     'text_people'  ''
                                         'release'  'Hair [Original Broadway Cast] [RCA]'
                                           'title'  'What a Piece of Work Is Man'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'broadway', 'musical', 'musicals']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '146.000'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'MCDI' (Music CD identifier)                        MCDI(data=b'2\x000\x00+\x009\x006\x00+\x003\x002\x00A\x000\x00+\x005\x008\x002\x00F\x00+\x006\x009\x008\x00F\x00+\x007\x008\x00B\x00E\x00+\x008\x00D\x009\x00A\x00+\x00A\x004\x00B\x005\x00+\x00A\x00C\x00A\x00D\x00+\x00B\x009\x005\x00A\x00+\x00C\x00C\x00C\x002\x00+\x00E\x003\x001\x002\x00+\x00F\x00C\x00E\x00C\x00+\x001\x000\x00D\x008\x008\x00+\x001\x004\x003\x00F\x00A\x00+\x001\x006\x00C\x009\x005\x00+\x001\x00A\x000\x00D\x00B\x00+\x001\x00B\x00D\x00F\x008\x00+\x001\x00E\x00C\x000\x008\x00+\x002\x000\x00F\x00C\x009\x00+\x002\x003\x004\x00F\x00B\x00+\x002\x006\x00A\x00A\x002\x00+\x002\x009\x009\x00E\x00B\x00+\x002\x00C\x007\x008\x00B\x00+\x002\x00D\x000\x007\x00B\x00+\x002\x00E\x004\x00B\x00C\x00+\x003\x001\x000\x003\x006\x00+\x003\x006\x004\x008\x007\x00+\x003\x009\x004\x008\x004\x00+\x003\x00C\x00C\x001\x002\x00+\x003\x00F\x005\x00F\x00C\x00+\x004\x002\x002\x009\x00B\x00+\x004\x005\x006\x003\x002\x00+\x004\x009\x005\x00A\x00F\x00\x00\x00')
'PRIV:AverageLevel:\x17\t\x00\x00'                  PRIV(owner='AverageLevel', data=b'\x17\t\x00\x00')
'PRIV:PeakValue:\nM\x00\x00'                        PRIV(owner='PeakValue', data=b'\nM\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x009\x008\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00M\x00S\x00T\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x002\x001\x002\x009\x007\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x009\x008\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00M\x00S\x00T\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x002\x001\x002\x009\x007\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x91¶1\x90a<ÊG\x8b\\å¡® \x8c\x9a'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x91\xb61\x90a<\xcaG\x8b\\\xe5\xa1\xae \x8c\x9a')
'PRIV:WM/WMCollectionID:\x91¶1\x90a<ÊG\x8b\\å¡® \x8c\x9a'  PRIV(owner='WM/WMCollectionID', data=b'\x91\xb61\x90a<\xcaG\x8b\\\xe5\xa1\xae \x8c\x9a')
'PRIV:WM/WMContentID:®\x8467Ñ\x15\x82M\x91ïl¡Íõ¬'  PRIV(owner='WM/WMContentID', data=b'\xae\x8467\xd1\x15\x82M\x91\xc3\xafl\xa1\xcd\xf5\xac')
'TALB' (Album/Movie/Show title)                     'Hair [Original Broadway Cast] [RCA]'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'What a Piece of Work Is Man'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '143066'
'TPE1' (Lead performer(s)/Soloist(s))               'Ronald Dyson/Walter Harris'
'TPE2' (Band/orchestra/accompaniment)               'Original Broadway Cast Recording'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'broadway', 'musical', 'musicals']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.716491'

========================== row from database ==========================
                                              'id'  646656
                                            'path'  /data/Music/Bulk/0soundtrack/va - hair - original broadway cast/29 What a Piece of Work Is Man.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  soundtrack-video
                                        'filesize'  5721552
                                           'mtime'  1620334536
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack va hair original broadway cast 29 soundtrack video
                                      'tag_artist'  Original Broadway Cast Recording
                                     'tag_release'  Hair [Original Broadway Cast] [RCA]
                                       'tag_title'  What a Piece of Work Is Man
                                             'bpm'  146.0
                                    'search_title'  'a':2 'is':6 'man':7 'of':4 'piece':3 'what':1 'work':5
                                   'search_artist'  'broadway':2 'cast':3 'original':1 'recording':4
                                  'search_release'  'broadway':4 'cast':5,6 'hair':1 'original':2,3 'rca':7,8
                                     'search_rest'  '0soundtrack':1 '29':7 'broadway':5 'cast':6 'hair':3 'original':4 'soundtrack':8 'va':2 'video':9
                                    'search_combo'  '0soundtrack':20 '29':26 'a':2A 'broadway':9B,15C,24 'cast':10B,16C,17C,25 'hair':12C,22 'is':6A 'man':7A 'of':4A 'original':8B,13C,14C,23 'piece':3A 'rca':18C,19C 'recording':11B 'soundtrack':27 'va':21 'video':28 'what':1A 'work':5A
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'broadway', 'musical', 'musicals']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334535.5645537  (2021-05-06 22:55:35)
                             'size'  5721552