======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '280'
                                          'artist'  'Kerrier District'
                                     'text_people'  ''
                                         'release'  'Bargrooves: Deluxe Edition 2016'
                                           'title'  'Techno Disco (Original Mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'electronic', 'disco', 'luke vibert', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '111.51'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bargrooves: Deluxe Edition 2016'
'TBPM' (BPM (beats per minute))                     '111.51'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Techno Disco (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kerrier District'
'TXXX:CATALOGNUMBER'                                '8180073307'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'electronic', 'disco', 'luke vibert', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.476655'

========================== row from database ==========================
                                              'id'  1333254
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Kerrier District - Techno Disco (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  280
                                           'genre'  electronic-unsorted
                                        'filesize'  9064320
                                           'mtime'  1620571044
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Kerrier District
                                     'tag_release'  Bargrooves: Deluxe Edition 2016
                                       'tag_title'  Techno Disco (Original Mix)
                                             'bpm'  111.51
                                    'search_title'  'disco':2 'mix':5,6 'original':3,4 'techno':1
                                   'search_artist'  'district':2 'kerrier':1
                                  'search_release'  '2016':5 'bargrooves':1,2 'deluxe':3 'edition':4
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':14 '2015':17 '2016':13C 'bargrooves':9C,10C 'deluxe':11C 'disco':2A 'district':8B 'edition':12C 'electronic':18 'guy':16 'kerrier':7B 'marvin':15 'mix':5A,6A 'original':3A,4A 'techno':1A 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'electronic', 'disco', 'luke vibert', 'electronica']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571044.1089883  (2021-05-09 16:37:24)
                             'size'  9064320