======================== unified (from filesystem) ========================
                                         'bitrate'  '189.244'
                                        'duration'  '33'
                                          'artist'  'The Creepshow'
                                     'text_people'  ''
                                         'release'  'Sell Your Soul'
                                           'title'  'The Sermon'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['horrorbilly', 'psychobilly', 'female vocalists', 'rockabilly', 'horror "
 "punk']")
                                     'discogstags'  "['psychobilly', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '123.331'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sell Your Soul'
'TBPM' (BPM (beats per minute))                     '123.331'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'The Sermon'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Creepshow'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['psychobilly', 'rock']
'TXXX:lastfmtags'                                   ['horrorbilly', 'psychobilly', 'female vocalists', 'rockabilly', 'horror punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.415387'

========================== row from database ==========================
                                              'id'  155131
                                            'path'  /data/Music/Bulk/00dwimp/The Creepshow/The Creepshow - Sell Your Soul/The Creepshow - the sermon.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  33
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  781632
                                           'mtime'  1620525209
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp the sermon rock rockabilly or psychobilly
                                      'tag_artist'  The Creepshow
                                     'tag_release'  Sell Your Soul
                                       'tag_title'  The Sermon
                                             'bpm'  123.331
                                    'search_title'  'sermon':2 'the':1
                                   'search_artist'  'creepshow':2 'the':1
                                  'search_release'  'sell':1 'soul':3 'your':2
                                     'search_rest'  '00dwimp':1 'or':6 'psychobilly':7 'rock':4 'rockabilly':5 'sermon':3 'the':2
                                    'search_combo'  '00dwimp':8 'creepshow':4B 'or':13 'psychobilly':14 'rock':11 'rockabilly':12 'sell':5C 'sermon':2A,10 'soul':7C 'the':1A,3B,9 'your':6C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['horrorbilly', 'psychobilly', 'female vocalists', 'rockabilly', 'horror punk']
                                        'tag_date'  2006
                                     'discogstags'  ['psychobilly', 'rock']

============================== file details ==============================
                                           'mtime'  1620525208.7772946  (2021-05-09 03:53:28)
                             'size'  781632