======================== unified (from filesystem) ========================
                                         'bitrate'  '142.462'
                                        'duration'  '80'
                                          'artist'  'Schwump'
                                     'text_people'  ''
                                         'release'  'A Light Among The Bump'
                                           'title'  'Once I was an Apple'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['insects', 'avant garde', 'outsider']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '144.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'A Light Among The Bump'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Once I was an Apple'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Schwump'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['insects', 'avant garde', 'outsider']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.482220'

========================== row from database ==========================
                                              'id'  855557
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/schwump bumps/03 - once i was an apple.mp3
                                         'working'  None
                                         'bitrate'  142
                                    'duration_sec'  80
                                           'genre'  electronic-experimental
                                        'filesize'  1447512
                                           'mtime'  1621854348
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm schwump bumps 03 once apple electronic experimental
                                      'tag_artist'  Schwump
                                     'tag_release'  A Light Among The Bump
                                       'tag_title'  Once I was an Apple
                                             'bpm'  144.6
                                    'search_title'  'an':4 'apple':5 'i':2 'once':1 'was':3
                                   'search_artist'  'schwump':1
                                  'search_release'  'a':1 'among':3 'bump':5 'light':2 'the':4
                                     'search_rest'  'apple':4 'bumps':2 'electronic':5 'experimental':6 'once':3 'schwump':1
                                    'search_combo'  'a':7C 'among':9C 'an':4A 'apple':5A,15 'bump':11C 'bumps':13 'electronic':16 'experimental':17 'i':2A 'light':8C 'once':1A,14 'schwump':6B,12 'the':10C 'was':3A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['insects', 'avant garde', 'outsider']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854347.516007  (2021-05-24 13:05:47)
                             'size'  1447512