======================== unified (from filesystem) ========================
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                                        'duration'  '480'
                                          'artist'  'Add N to (X)'
                                     'text_people'  ''
                                         'release'  'Vero Electronics'
                                           'title'  'A Very Uncomfortable Status (M'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '126.410'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vero Electronics'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'A Very Uncomfortable Status (M'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Add N to (X)'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.367562'

========================== row from database ==========================
                                              'id'  152633
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Add N To (X)/Add N To (X) - Vero ELectronics/06-A Very Uncomfortable Status (Mathematical).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  480
                                           'genre'  electronic-experimental
                                        'filesize'  11533159
                                           'mtime'  1623408903
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To ELectronics 06 (Mathematical) electronic experimental
                                      'tag_artist'  Add N to (X)
                                     'tag_release'  Vero Electronics
                                       'tag_title'  A Very Uncomfortable Status (M
                                             'bpm'  126.41
                                    'search_title'  'a':1 'm':5,6 'status':4 'uncomfortable':3 'very':2
                                   'search_artist'  'add':1 'n':2 'to':3 'x':4,5
                                  'search_release'  'electronics':2 'vero':1
                                     'search_rest'  'electronic':5 'electronics':2 'experimental':6 'mathematical':3,4 'to':1
                                    'search_combo'  'a':1A 'add':7B 'electronic':18 'electronics':13C,15 'experimental':19 'm':5A,6A 'mathematical':16,17 'n':8B 'status':4A 'to':9B,14 'uncomfortable':3A 'vero':12C 'very':2A 'x':10B,11B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'experimental']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623408903.1339316  (2021-06-11 12:55:03)
                             'size'  11533159