======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '565'
                                          'artist'  'LTJ Bukem'
                                     'text_people'  ''
                                         'release'  'Earth Volume One'
                                           'title'  'Moodswings'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'dnb', 'electronic', 'chillout', 'drum n bass']"
                                     'discogstags'  "['electronic', 'downtempo', 'future jazz', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '105.368'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Earth Volume One'
'TBPM' (BPM (beats per minute))                     '105.368'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Moodswings'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'LTJ Bukem'
'TRCK' (Track number/Position in set)               '9'
'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', 'downtempo', 'future jazz', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'dnb', 'electronic', 'chillout', 'drum n bass']
'TXXX:original release date'                        ['1996', '1996']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.22 dB'
'TXXX:replaygain_track_peak'                        '0.668244'

========================== row from database ==========================
                                              'id'  1331212
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/LTJ Bukem/MBZ;#LTJ Bukem;#Earth Volume One;#09;#LTJ Bukem moodswings.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  565
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  11302419
                                           'mtime'  1621696569
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb MBZ;#LTJ Bukem;#Earth One;#09;#LTJ moodswings electronic breakbeat or dnb or jungle
                                      'tag_artist'  LTJ Bukem
                                     'tag_release'  Earth Volume One
                                       'tag_title'  Moodswings
                                             'bpm'  105.368
                                    'search_title'  'moodswings':1
                                   'search_artist'  'bukem':2 'ltj':1
                                  'search_release'  'earth':1 'one':3 'volume':2
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '09':12,15 'breakbeat':19 'bukem':7,9 'dnb':21 'earth':8,10 'electronic':18 'jungle':22 'ltj':4,6,13,16 'mbz':3,5 'moodswings':17 'one':11,14 'or':20
                                    'search_combo'  '00dnb':8 '00poprockelectronic':7 '09':18,21 'breakbeat':25 'bukem':3B,13,15 'dnb':27 'earth':4C,14,16 'electronic':24 'jungle':28 'ltj':2B,10,12,19,22 'mbz':9,11 'moodswings':1A,23 'one':6C,17,20 'or':26 'volume':5C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'dnb', 'electronic', 'chillout', 'drum n bass']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'downtempo', 'future jazz', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696568.957563  (2021-05-22 17:16:08)
                             'size'  11302419