======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'Bonobo'
                                     'text_people'  ''
                                         'release'  'Ministry Of Sound-Late Night Sessions'
                                           'title'  'The Plug (Quantic mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '100.009'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ministry Of Sound-Late Night Sessions'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'The Plug (Quantic mix)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bonobo'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.37 dB'
'TXXX:replaygain_track_peak'                        '0.675200'

========================== row from database ==========================
                                              'id'  1282865
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bonobo/05. The Plug (Quantic Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4955345
                                           'mtime'  1620568002
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05. Mix) electronic generic or radio dance
                                      'tag_artist'  Bonobo
                                     'tag_release'  Ministry Of Sound-Late Night Sessions
                                       'tag_title'  The Plug (Quantic mix)
                                             'bpm'  100.009
                                    'search_title'  'mix':5,6 'plug':2 'quantic':3,4 'the':1
                                   'search_artist'  'bonobo':1
                                  'search_release'  'late':4 'ministry':1 'night':6 'of':2 'sessions':7 'sound':3 'soundlate':5
                                     'search_rest'  '00poprockelectronic':1 '05':2,3 'dance':10 'electronic':6 'generic':7 'mix':4,5 'or':8 'radio':9
                                    'search_combo'  '00poprockelectronic':15 '05':16,17 'bonobo':7B 'dance':24 'electronic':20 'generic':21 'late':11C 'ministry':8C 'mix':5A,6A,18,19 'night':13C 'of':9C 'or':22 'plug':2A 'quantic':3A,4A 'radio':23 'sessions':14C 'sound':10C 'soundlate':12C 'the':1A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip hop', 'downtempo', 'ninja tune', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568002.235543  (2021-05-09 15:46:42)
                             'size'  4955345