======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'Sarah Vaughan'
                                     'text_people'  'Jerry Ross/Richard Adler'
                                         'release'  'Golden Hits'
                                           'title'  'Whatever Lola Wants'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']"
                                     'discogstags'  "['jazz', 'vocal', 'big band', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '121.119'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Golden Hits'
'TBPM' (BPM (beats per minute))                     '121.119'
'TCOM' (Composer)                                   'Jerry Ross/Richard Adler'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Whatever Lola Wants'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Vaughan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '8'
'TXXX:MusicBrainz Album Id'                         'd99660f0-733c-48e4-ac1c-b7e53df12f19'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '351d8bdf-33a1-45e2-8c04-c85fad20da55'
'TXXX:MusicBrainz TRM Id'                           'eab8c1a2-a083-4551-b5c1-d1691174b440'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'vocal', 'big band', 'swing']
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.11 dB'
'TXXX:replaygain_track_peak'                        '0.452821'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e35d1b9a-b5f4-43ed-a573-bf12cf32e31d')

========================== row from database ==========================
                                              'id'  1338773
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Sarah Vaughan-Golden Hits-08-Whatever Lola Wants.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  2504422
                                           'mtime'  1620541266
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 08 prerock jb jazz vocal
                                      'tag_artist'  Sarah Vaughan
                                     'tag_release'  Golden Hits
                                       'tag_title'  Whatever Lola Wants
                                             'bpm'  121.119
                                    'search_title'  'lola':2 'wants':3 'whatever':1
                                   'search_artist'  'sarah':1 'vaughan':2
                                  'search_release'  'golden':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jazz':9 'jb':8 'loose':3,4 'prerock':7 'unsorted':2 'vocal':10
                                    'search_combo'  '00poprockelectronic':8 'files':12,13 'golden':6C 'hits':7C 'jazz':16 'jb':15 'lola':2A 'loose':10,11 'prerock':14 'sarah':4B 'unsorted':9 'vaughan':5B 'vocal':17 'wants':3A 'whatever':1A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'blues']
                                        'tag_date'  1989
                                     'discogstags'  ['jazz', 'vocal', 'big band', 'swing']

============================== file details ==============================
                                           'mtime'  1620541266.0592363  (2021-05-09 08:21:06)
                             'size'  2504422