======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '160'
                                          'artist'  'Gorillaz'
                                     'text_people'  ''
                                         'release'  'Gorillaz'
                                           'title'  '5/4 Five Four'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'electronic', 'hip hop', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'alternative rock', 'lo-fi', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;rock-pop-indie'
                                             'bpm'  '96.072'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gorillaz'
'TBPM' (BPM (beats per minute))                     '96.072'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'rock-pop-indie']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         '5/4 Five Four'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gorillaz'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'leftfield', 'alternative rock', 'lo-fi', 'trip hop']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'electronic', 'hip hop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.424876'

========================== row from database ==========================
                                              'id'  1345065
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gorillaz/gorillaz-02-54-rev.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  160
                                           'genre'  hip hop or rnb or rap or turntablism;rock-pop-indie
                                        'filesize'  3843549
                                           'mtime'  1620736891
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic gorillaz 02 54 rev hip hop rnb rap turntablism;rock pop indie
                                      'tag_artist'  Gorillaz
                                     'tag_release'  Gorillaz
                                       'tag_title'  5/4 Five Four
                                             'bpm'  96.072
                                    'search_title'  '4':2 '5':1 '54':3 'five':4 'four':5
                                   'search_artist'  'gorillaz':1
                                  'search_release'  'gorillaz':1
                                     'search_rest'  '00poprockelectronic':1 '54':3 'gorillaz':2 'hip':5 'hop':6 'indie':14 'pop':13 'rap':8 'rev':4 'rnb':7 'rock':10,12 'turntablism':9,11
                                    'search_combo'  '00poprockelectronic':8 '4':2A '5':1A '54':3A,10 'five':4A 'four':5A 'gorillaz':6B,7C,9 'hip':12 'hop':13 'indie':21 'pop':20 'rap':15 'rev':11 'rnb':14 'rock':17,19 'turntablism':16,18
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'electronic', 'hip hop', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'alternative rock', 'lo-fi', 'trip hop']

============================== file details ==============================
                                           'mtime'  1620736891.0618148  (2021-05-11 14:41:31)
                             'size'  3843549