======================== unified (from filesystem) ========================
                                         'bitrate'  '144.694'
                                        'duration'  '136'
                                          'artist'  'John Lee Hooker'
                                     'text_people'  'John Lee Hooker'
                                         'release'  "Jack O' Diamonds: 1949 Recordings"
                                           'title'  'Come and See About Me'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['guitar', 'blues', 'jazz', 'delta blues', 'classic blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '95.080'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jack O' Diamonds: 1949 Recordings"
'TBPM' (BPM (beats per minute))                     '95.080'
'TCOM' (Composer)                                   'John Lee Hooker'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'Come and See About Me'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Lee Hooker'
'TPE2' (Band/orchestra/accompaniment)               'John Lee Hooker'
'TPUB' (Publisher)                                  'Eagle'
'TRCK' (Track number/Position in set)               '16'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '18446744072224899584'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '6'
'TXXX:WM/ProviderStyle'                             'Blues'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   687642;AMGp_id=P      371;AMGt_id=T  7013445'
'TXXX:WM/WMADRCAverageReference'                    '7673'
'TXXX:WM/WMADRCPeakReference'                       '32718'
'TXXX:WM/Year'                                      '2004'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '10.00.00.3802'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'jazz', 'delta blues', 'classic blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.426357'

========================== row from database ==========================
                                              'id'  1528505
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/John Lee Hooker - Jack O_ Diamonds- 1949 Recordings/16 Come and See About Me.wma.mp3
                                         'working'  None
                                         'bitrate'  144
                                    'duration_sec'  136
                                           'genre'  prerock-jb-blues
                                        'filesize'  2476504
                                           'mtime'  1620402336
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country O_ 16 Me.wma prerock jb blues
                                      'tag_artist'  John Lee Hooker
                                     'tag_release'  Jack O' Diamonds: 1949 Recordings
                                       'tag_title'  Come and See About Me
                                             'bpm'  95.08
                                    'search_title'  'about':4 'and':2 'come':1 'me':5 'see':3
                                   'search_artist'  'hooker':3 'john':1 'lee':2
                                  'search_release'  '1949':6 'diamonds':4,5 'jack':1 'o':2,3 'recordings':7
                                     'search_rest'  'blues':11 'country':4 'exotica':2 'jazz':1 'jb':10 'me':6 'mewma':8 'o':5 'oldies':3 'prerock':9 'wma':7
                                    'search_combo'  '1949':14C 'about':4A 'and':2A 'blues':26 'come':1A 'country':19 'diamonds':12C,13C 'exotica':17 'hooker':8B 'jack':9C 'jazz':16 'jb':25 'john':6B 'lee':7B 'me':5A,21 'mewma':23 'o':10C,11C,20 'oldies':18 'prerock':24 'recordings':15C 'see':3A 'wma':22
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'jazz', 'delta blues', 'classic blues']
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402335.8806767  (2021-05-07 17:45:35)
                             'size'  2476504