======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '180'
                                          'artist'  'Joan Osborne'
                                     'text_people'  ''
                                         'release'  'Pretty Little Stranger'
                                           'title'  'When the Blue Hour Comes'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']"
                                     'discogstags'  "['rock', 'blues', 'blues rock', 'folk rock', 'rhythm & blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '140.1'
                                             'key'  '12B'
                                        'acoustid'  '703a9ae6-1600-40da-9479-2d5d7b03e36d'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '140.1'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-12-04'
'TIT2' (Title/songname/content description)         'When the Blue Hour Comes'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Joan Osborne'
'TPE2' (Band/orchestra/accompaniment)               'Joan Osborne'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Osborne, Joan'
'TSOP' (Performer sort order)                       'Osborne, Joan'
'TXXX:Acoustid Id'                                  '703a9ae6-1600-40da-9479-2d5d7b03e36d'
'TXXX:Artists'                                      'Joan Osborne'
'TXXX:MusicBrainz Album Artist Id'                  '746916c9-fd36-44e6-823d-03185e596f58'
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'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '746916c9-fd36-44e6-823d-03185e596f58'
'TXXX:MusicBrainz Release Group Id'                 'f6293e88-392b-37c2-9caa-9e84d1ab74c9'
'TXXX:MusicBrainz Release Track Id'                 '86ec58ee-2e99-3477-bc01-fabc43011dcb'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'blues', 'blues rock', 'folk rock', 'rhythm & blues']
'TXXX:lastfmtags'                                   ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
'TXXX:mood'                                         'Relaxed/Acoustic/Sad/Not aggressive/Not happy/Not electronic/Not party'
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.591655'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'57dfd840-55a1-4586-9f2a-83c0662ae21e')

========================== row from database ==========================
                                              'id'  1247619
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Joan Osborne/12 When the Blue Hour Comes.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  180
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  7219218
                                           'mtime'  1636911777
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 ifs songwriter rock
                                      'tag_artist'  Joan Osborne
                                     'tag_release'  Pretty Little Stranger
                                       'tag_title'  When the Blue Hour Comes
                                             'bpm'  140.1
                                    'search_title'  'blue':3 'comes':5 'hour':4 'the':2 'when':1
                                   'search_artist'  'joan':1 'osborne':2
                                  'search_release'  'little':2 'pretty':1 'stranger':3
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':11 'blue':3A 'comes':5A 'eos':13 'hour':4A 'ifs':14 'joan':6B 'little':9C 'osborne':7B 'pretty':8C 'rock':15 'songwriter':12 'stranger':10C 'the':2A 'when':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'singer songwriter', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'blues', 'blues rock', 'folk rock', 'rhythm & blues']

============================== file details ==============================
                                           'mtime'  1636911776.695377  (2021-11-14 18:42:56)
                             'size'  7219218