======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '187'
                                          'artist'  'Dua Lipa'
                                     'text_people'  ''
                                         'release'  'Dua Lipa'
                                           'title'  'Hotter Than Hell'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electropop', 'female vocalists', 'british', 'pop', 'synthpop']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '110.062'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Dua Lipa'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Hotter Than Hell'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dua Lipa'
'TPE2' (Band/orchestra/accompaniment)               'Dua Lipa'
'TPUB' (Publisher)                                  'Dua Lipa Ltd.'
'TRCK' (Track number/Position in set)               '3'
'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:Tagging time'                                 'agging time'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['electropop', 'female vocalists', 'british', 'pop', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.78 dB'
'TXXX:replaygain_track_peak'                        '0.393348'

========================== row from database ==========================
                                              'id'  1343848
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Dua Lipa - Hotter Than Hell.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  187
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  7615500
                                           'mtime'  1628353885
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 electronic we electropop or synthpop
                                      'tag_artist'  Dua Lipa
                                     'tag_release'  Dua Lipa
                                       'tag_title'  Hotter Than Hell
                                             'bpm'  110.062
                                    'search_title'  'hell':3 'hotter':1 'than':2
                                   'search_artist'  'dua':1 'lipa':2
                                  'search_release'  'dua':1 'lipa':2
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'electronic':3 'electropop':5 'or':6 'synthpop':7 'we':4
                                    'search_combo'  '00poprockelectronic':8 '2016':9 'dua':4B,6C 'electronic':10 'electropop':12 'hell':3A 'hotter':1A 'lipa':5B,7C 'or':13 'synthpop':14 'than':2A 'we':11
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electropop', 'female vocalists', 'british', 'pop', 'synthpop']
                                        'tag_date'  2017
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1628353884.9817152  (2021-08-07 18:31:24)
                             'size'  7615500