======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '121'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  'Strictly Commercial: The Best of Frank Zappa'
                                           'title'  "Let's Make the Water Turn Black"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '19'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '136.4'
                                             'key'  '9B'
                                        'acoustid'  'fa5795ab-d6e5-40db-916a-68d13a1e432c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Strictly Commercial: The Best of Frank Zappa'
'TBPM' (BPM (beats per minute))                     '136.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         "Let's Make the Water Turn Black"
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TPE2' (Band/orchestra/accompaniment)               'Frank Zappa'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rykodisc'
'TRCK' (Track number/Position in set)               '12/19'
'TSO2'                                              'Zappa, Frank'
'TSOP' (Performer sort order)                       'Zappa, Frank'
'TXXX:ASIN'                                         'B000025YAY'
'TXXX:Acoustid Id'                                  'fa5795ab-d6e5-40db-916a-68d13a1e432c'
'TXXX:BARCODE'                                      '014431060021'
'TXXX:CATALOGNUMBER'                                'RCD 40600'
'TXXX:MusicBrainz Album Artist Id'                  'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Album Id'                         'a4b314ac-91d4-434a-a016-49c30ca0446b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.471670'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'259fbee9-49ac-4092-a08d-2fbdfc9450cf')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Frank Zappa - 00 - Strictly commercial [256] (1995)/Frank Zappa - 12 - Let_s make the water turn black.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  121
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  3887615
                                           'mtime'  1636400789
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00 commercial [256] (1995) 12 Let_s make water turn black ifs songwriter experimental
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Strictly Commercial: The Best of Frank Zappa
                                       'tag_title'  Let's Make the Water Turn Black
                                             'bpm'  136.4
                                    'search_title'  'black':8 'let':1 'lets':3 'make':4 's':2 'the':5 'turn':7 'water':6
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'best':5 'commercial':2,3 'frank':7 'of':6 'strictly':1 'the':4 'zappa':8
                                     'search_rest'  '00':4 '00singer':1 '1995':8,9 '256':6,7 'black':15 'commercial':5 'eos':3 'experimental':17 'ifs':16 'let':10 'make':12 's':11 'songwriter':2 'turn':14 'water':13
                                    'search_combo'  '00':22 '00singer':19 '1995':26,27 '256':24,25 'best':15C 'black':8A,33 'commercial':12C,13C,23 'eos':21 'experimental':35 'frank':9B,17C 'ifs':34 'let':1A,28 'lets':3A 'make':4A,30 'of':16C 's':2A,29 'songwriter':20 'strictly':11C 'the':5A,14C 'turn':7A,32 'water':6A,31 'zappa':10B,18C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400789.0662303  (2021-11-08 20:46:29)
                             'size'  3887615