======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '221'
                                          'artist'  'The Pretenders'
                                     'text_people'  ''
                                         'release'  'Pretenders II'
                                           'title'  'Waste Not Want Not'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '130.734'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pretenders II'
'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Waste Not Want Not'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pretenders'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.528582'

========================== row from database ==========================
                                              'id'  1327580
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Pretenders/08 - Waste Not, Want Not.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  221
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5326294
                                           'mtime'  1620607213
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 08 Not, electronic we new wave or post punk
                                      'tag_artist'  The Pretenders
                                     'tag_release'  Pretenders II
                                       'tag_title'  Waste Not Want Not
                                             'bpm'  130.734
                                    'search_title'  'not':2 'want':3 'waste':1
                                   'search_artist'  'pretenders':2 'the':1
                                  'search_release'  'ii':2 'pretenders':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'disco':3 'electronic':8 'new':10 'not':6,7 'or':12 'post':13 'postpunk':5 'punk':14 'wave':11 'waves':2 'we':9
                                    'search_combo'  '00newwave':11 '00poprockelectronic':8 'disco':10 'electronic':15 'ii':7C 'new':17 'not':2A,13,14 'or':19 'post':20 'postpunk':12 'pretenders':5B,6C 'punk':21 'the':4B 'want':3A 'waste':1A 'wave':18 'waves':9 'we':16
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', '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-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
                                        'tag_date'  1981
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620607212.55531  (2021-05-10 02:40:12)
                             'size'  5326294