======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '417'
                                          'artist'  'Junior Jack'
                                     'text_people'  ''
                                         'release'  'Dare Me (Stupidisco) [Defected'
                                           'title'  'Dare Me (Stupidisco) (Warren C'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'club', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.006'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dare Me (Stupidisco) [Defected'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Dare Me (Stupidisco) (Warren C'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Junior Jack'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'club', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.380599'

========================== row from database ==========================
                                              'id'  1305340
                                            'path'  /data/Music/Bulk/00poprockelectronic/Junior Jack/Dare Me (Stupidisco) [Defected__01 - Junior Jack - Dare Me (Stupidisco) (Warren C.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  417
                                           'genre'  electronic-unsorted
                                        'filesize'  16701206
                                           'mtime'  1621696308
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [Defected__01 electronic unsorted
                                      'tag_artist'  Junior Jack
                                     'tag_release'  Dare Me (Stupidisco) [Defected
                                       'tag_title'  Dare Me (Stupidisco) (Warren C
                                             'bpm'  125.006
                                    'search_title'  'c':7 'dare':1 'me':2 'stupidisco':3,4 'warren':5,6
                                   'search_artist'  'jack':2 'junior':1
                                  'search_release'  'dare':1 'defected':5,6 'me':2 'stupidisco':3,4
                                     'search_rest'  '00poprockelectronic':1 '01':3,5 'defected':2,4 'electronic':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':16 '01':18,20 'c':7A 'dare':1A,10C 'defected':14C,15C,17,19 'electronic':21 'jack':9B 'junior':8B 'me':2A,11C 'stupidisco':3A,4A,12C,13C 'unsorted':22 'warren':5A,6A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'club', 'electronic', 'electronica']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696307.8718095  (2021-05-22 17:11:47)
                             'size'  16701206