======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'The Goops'
                                     'text_people'  ''
                                         'release'  'Mallrats'
                                           'title'  'Build Me Up Buttercup'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-3', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['punk', 'female vocalists', 'punk rock', 'cover', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '121.628'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mallrats'
'TBPM' (BPM (beats per minute))                     '121.628'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Build Me Up Buttercup'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Goops'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk', 'female vocalists', 'punk rock', 'cover', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.441036'

========================== row from database ==========================
                                              'id'  1329279
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/19 - the goops - build me up buttercup.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  soundtrack-video
                                        'filesize'  3794816
                                           'mtime'  1620331798
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 19 the goops build me buttercup soundtrack video
                                      'tag_artist'  The Goops
                                     'tag_release'  Mallrats
                                       'tag_title'  Build Me Up Buttercup
                                             'bpm'  121.628
                                    'search_title'  'build':1 'buttercup':4 'me':2 'up':3
                                   'search_artist'  'goops':2 'the':1
                                  'search_release'  'mallrats':1
                                     'search_rest'  '00poprockelectronic':1 '19':3 '90s':2 'build':6 'buttercup':8 'goops':5 'me':7 'soundtrack':9 'the':4 'video':10
                                    'search_combo'  '00poprockelectronic':8 '19':10 '90s':9 'build':1A,13 'buttercup':4A,15 'goops':6B,12 'mallrats':7C 'me':2A,14 'soundtrack':16 'the':5B,11 'up':3A 'video':17
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk', 'female vocalists', 'punk rock', 'cover', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620331798.2671428  (2021-05-06 22:09:58)
                             'size'  3794816