======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '308'
                                          'artist'  'Underground Resistance'
                                     'text_people'  ''
                                         'release'  'techo 90s'
                                           'title'  'Fury'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['acid', 'detroit', 'techno', 'detroit techno', 'electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '134.288'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'techo 90s'
'TBPM' (BPM (beats per minute))                     '134.288'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Fury'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Underground Resistance'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['acid', 'detroit', 'techno', 'detroit techno', 'electro', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.508669'

========================== row from database ==========================
                                              'id'  1294413
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Techno 90s/Underground Resistance - Fury.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  308
                                           'genre'  electronic-th-techno
                                        'filesize'  12337212
                                           'mtime'  1639842797
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop Techno electronic th techno
                                      'tag_artist'  Underground Resistance
                                     'tag_release'  techo 90s
                                       'tag_title'  Fury
                                             'bpm'  134.288
                                    'search_title'  'fury':1
                                   'search_artist'  'resistance':2 'underground':1
                                  'search_release'  '90s':2 'techo':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electronic':6 'electropop':3 'synthpop':4 'techno':5 'th':7
                                    'search_combo'  '00electro':7 '00poprockelectronic':6 '90s':5C 'electronic':11 'electropop':8 'fury':1A 'resistance':3B 'synthpop':9 'techno':10 'techo':4C 'th':12 'underground':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['acid', 'detroit', 'techno', 'detroit techno', 'electro', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1639842796.8866286  (2021-12-18 16:53:16)
                             'size'  12337212