======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'The Smashing Pumpkins'
                                     'text_people'  ''
                                         'release'  '100 Greatest Rock Songs Of The 90s'
                                           'title'  'Tonight, Tonight'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'grunge', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '100.306'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '100 Greatest Rock Songs Of The 90s'
'TBPM' (BPM (beats per minute))                     '100.306'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Tonight, Tonight'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Smashing Pumpkins'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '27'
'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:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.572494'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='ww.fanclubt.com')

========================== row from database ==========================
                                              'id'  1340609
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/27-The_Smashing_Pumpkins-Tonight,_Tonight.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  rock-gr-grunge
                                        'filesize'  6117503
                                           'mtime'  1636902859
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 27 The_Smashing_Pumpkins Tonight,_Tonight rock gr grunge
                                      'tag_artist'  The Smashing Pumpkins
                                     'tag_release'  100 Greatest Rock Songs Of The 90s
                                       'tag_title'  Tonight, Tonight
                                             'bpm'  100.306
                                    'search_title'  'tonight':1,2
                                   'search_artist'  'pumpkins':3 'smashing':2 'the':1
                                  'search_release'  '100':1 '90s':7 'greatest':2 'of':5 'rock':3 'songs':4 'the':6
                                     'search_rest'  '00poprockelectronic':1 '27':2 'gr':11 'grunge':12 'pumpkins':5 'rock':10 'smashing':4 'the':3 'tonight':6,7,8,9
                                    'search_combo'  '00poprockelectronic':13 '100':6C '27':14 '90s':12C 'gr':23 'greatest':7C 'grunge':24 'of':10C 'pumpkins':5B,17 'rock':8C,22 'smashing':4B,16 'songs':9C 'the':3B,11C,15 'tonight':1A,2A,18,19,20,21
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'grunge', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636902859.0221324  (2021-11-14 16:14:19)
                             'size'  6117503