======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '220'
                                          'artist'  'Erasure'
                                     'text_people'  ''
                                         'release'  'The Innocents'
                                           'title'  'Weight of the World'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'scrubs', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '109.943'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Innocents'
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Weight of the World'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Erasure'
'TRCK' (Track number/Position in set)               '11'
'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'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.778016'

========================== row from database ==========================
                                              'id'  1354019
                                            'path'  /data/Music/Bulk/00poprockelectronic/Erasure/Weight of the World (Erasure, The Innocents).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  220
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  3526163
                                           'mtime'  1622757469
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Erasure, Innocents) electronic we electropop synthpop
                                      'tag_artist'  Erasure
                                     'tag_release'  The Innocents
                                       'tag_title'  Weight of the World
                                             'bpm'  109.943
                                    'search_title'  'of':2 'the':3 'weight':1 'world':4
                                   'search_artist'  'erasure':1
                                  'search_release'  'innocents':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'electropop':8 'erasure':2,3 'innocents':4,5 'synthpop':9 'we':7
                                    'search_combo'  '00poprockelectronic':8 'electronic':13 'electropop':15 'erasure':5B,9,10 'innocents':7C,11,12 'of':2A 'synthpop':16 'the':3A,6C 'we':14 'weight':1A 'world':4A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1622757469.4558165  (2021-06-03 23:57:49)
                             'size'  3526163