======================== unified (from filesystem) ========================
                                         'bitrate'  '203.688'
                                        'duration'  '200'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Labyrinth'
                                           'title'  'Opening Titles Including Under'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['pop rock', 'synth-pop', 'electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '110.724'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Labyrinth'
'TBPM' (BPM (beats per minute))                     '110.724'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Opening Titles Including Under'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'synth-pop', 'electronic', 'rock']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.818211'

========================== row from database ==========================
                                              'id'  193569
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/Labyrinth/MBZ;#David Bowie;#Labyrinth;#01;#Opening Titles Including Underground.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  200
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5115347
                                           'mtime'  1623430288
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#David Bowie;#Labyrinth;#01;#Opening Underground ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  Labyrinth
                                       'tag_title'  Opening Titles Including Under
                                             'bpm'  110.724
                                    'search_title'  'including':3 'opening':1 'titles':2 'under':4
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'labyrinth':1
                                     'search_rest'  '00singer':1 '01':10,14 'bowie':8,12 'david':5,7 'eos':3 'ifs':17 'labyrinth':9,13 'mbz':4,6 'opening':11,15 'songwriter':2 'underground':16
                                    'search_combo'  '00singer':8 '01':17,21 'bowie':6B,15,19 'david':5B,12,14 'eos':10 'ifs':24 'including':3A 'labyrinth':7C,16,20 'mbz':11,13 'opening':1A,18,22 'songwriter':9 'titles':2A 'under':4A 'underground':23
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1986
                                     'discogstags'  ['pop rock', 'synth-pop', 'electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1623430288.4322302  (2021-06-11 18:51:28)
                             'size'  5115347