======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '233'
                                          'artist'  'S'
                                     'text_people'  ''
                                         'release'  'Sounds of the 1980s (Super Clasicos)'
                                           'title'  'Express - S-Express'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', '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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['lo fi', 'indie', 'female vocalists', 'slowcore', 'sadcore', 'singer "
 "songwriter']")
                                     'discogstags'  "['chanson', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '118.8'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 1980s (Super Clasicos)'
'TBPM' (BPM (beats per minute))                     '118.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Express - S-Express'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'S'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'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'                                  ['chanson', 'electronic', 'pop']
'TXXX:lastfmtags'                                   ['lo fi',
 'indie',
 'female vocalists',
 'slowcore',
 'sadcore',
 'singer songwriter']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.502627'

========================== row from database ==========================
                                              'id'  1408159
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Level 42 - Sound of the 1980s (Super Clasicos) (002) (T)/119 - S-Express - S-Express.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  233
                                           'genre'  ifs-songwriter
                                        'filesize'  3731328
                                           'mtime'  1637330702
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Level 42 (002) (T) 119 ifs songwriter
                                      'tag_artist'  S
                                     'tag_release'  Sounds of the 1980s (Super Clasicos)
                                       'tag_title'  Express - S-Express
                                             'bpm'  118.8
                                    'search_title'  'express':1,3 's':2 'sexpress':4
                                   'search_artist'  's':1
                                  'search_release'  '1980s':4 'clasicos':7,8 'of':2 'sounds':1 'super':5,6 'the':3
                                     'search_rest'  '002':7,8 '00poprockelectronic':1 '119':11 '42':6 'dance':3 'generic':2 'ifs':12 'level':5 'songwriter':13 't':9,10 'trapbeat':4
                                    'search_combo'  '002':20,21 '00poprockelectronic':14 '119':24 '1980s':9C '42':19 'clasicos':12C,13C 'dance':16 'express':1A,3A 'generic':15 'ifs':25 'level':18 'of':7C 's':2A,5B 'sexpress':4A 'songwriter':26 'sounds':6C 'super':10C,11C 't':22,23 'the':8C 'trapbeat':17
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'indie', 'female vocalists', 'slowcore', 'sadcore', 'singer songwriter']
                                        'tag_date'  1985
                                     'discogstags'  ['chanson', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1637330702.2750716  (2021-11-19 15:05:02)
                             'size'  3731328