======================== unified (from filesystem) ========================
                                         'bitrate'  '128.008'
                                        'duration'  '121'
                                          'artist'  'Roscoe Holcomb/Roscoe Holcomb'
                                     'text_people'  'Traditional'
                                         'release'  'Music for Maniacs'
                                           'title'  'Train  That Carried My Girl From Town'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
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 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '132.2'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '132.2'
'TCOM' (Composer)                                   'Traditional'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Train  That Carried My Girl From Town'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roscoe Holcomb/Roscoe Holcomb'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Smithsonian Folkways Recordings'
'TSRC' (ISRC (international standard recording code))  'USSF10314416'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:copyright url'                                ['2003 Smithsonian Folkways Recordings', '2005 Smithsonian Global Sound']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+4.55 dB'
'TXXX:replaygain_track_peak'                        '0.493294'

========================== row from database ==========================
                                              'id'  649692
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Roscoe Holcomb - train that carried my girl from town.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  121
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1954224
                                           'mtime'  1636916403
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs train that carried my girl from town electronic experimental oddness
                                      'tag_artist'  Roscoe Holcomb/Roscoe Holcomb
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Train  That Carried My Girl From Town
                                             'bpm'  132.2
                                    'search_title'  'carried':3 'from':6 'girl':5 'my':4 'that':2 'town':7 'train':1
                                   'search_artist'  'holcomb':2,5 'holcombroscoe':4 'roscoe':1,3
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'carried':5 'electronic':10 'experimental':11 'from':8 'girl':7 'maniacs':2 'music':1 'my':6 'oddness':12 'that':4 'town':9 'train':3
                                    'search_combo'  'carried':3A,20 'electronic':25 'experimental':26 'for':14C 'from':6A,23 'girl':5A,22 'holcomb':9B,12B 'holcombroscoe':11B 'maniacs':15C,17 'music':13C,16 'my':4A,21 'oddness':27 'roscoe':8B,10B 'that':2A,19 'town':7A,24 'train':1A,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916403.0935438  (2021-11-14 20:00:03)
                             'size'  1954224