======================== unified (from filesystem) ========================
                                         'bitrate'  '223.658'
                                        'duration'  '214'
                                          'artist'  'Soul Central'
                                     'text_people'  ''
                                         'release'  'Radio 538 Dance Smash Hits 2005, Volume 2'
                                           'title'  'Strings of Life (Stronger on My Own) (feat. Kathy Brown)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['house', 'dance', 'club', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '22'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '125.238'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Radio 538 Dance Smash Hits 2005, Volume 2'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Strings of Life (Stronger on My Own) (feat. Kathy Brown)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Soul Central'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7/22'
'TSOP' (Performer sort order)                       'Soul Central'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '43345b31-6938-436d-9446-133c303b3184'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '06d4534c-7547-41cd-aedd-f8c6e64c0c90'
'TXXX:MusicIP PUID'                                 '1afa1077-1e4d-4f07-f7c3-17016eb07b13'
'TXXX:MusicMagic Data'                              'AgEAPFtWmi6UssuVg90ViljpsmmCxIT51aeVS1XSwU7tE6STgAHcc6r20hPNdrLSgkiAAQEanpEVa/HfgAHVrfJl8+CyJ9/8Fi+HlJvlmmjDi4PkIGFRJMpqgnOF6MRklI5UtMYWCAOfN4S3wdSyz9df2YjXzIRFgnIEy5FxDEf/XohL1fPplg6gq87hsOQegIM='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'dance', 'club', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.339509'

========================== row from database ==========================
                                              'id'  1356969
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/538 Dance Smash 2005-02-07-Soul Central feat. Kathy Brown-Strings of Life (Stronger on My Own).mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6003084
                                           'mtime'  1621696840
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 02 07 electronic generic or radio dance
                                      'tag_artist'  Soul Central
                                     'tag_release'  Radio 538 Dance Smash Hits 2005, Volume 2
                                       'tag_title'  Strings of Life (Stronger on My Own) (feat. Kathy Brown)
                                             'bpm'  125.238
                                    'search_title'  'brown':13,14 'feat':10,11 'kathy':12 'life':3 'my':7 'of':2 'on':6 'own':8,9 'strings':1 'stronger':4,5
                                   'search_artist'  'central':2 'soul':1
                                  'search_release'  '2':9 '2005':6,7 '538':2 'dance':3 'hits':5 'radio':1 'smash':4 'volume':8
                                     'search_rest'  '00poprockelectronic':1 'best':9 'club':7,8 'dance':5,6 'electronic':13 'etc':12 'generic':14 'of':10,11 'or':15 'radio':16 'top':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':26 '2':25C '2005':22C,23C '538':18C 'best':34 'brown':13A,14A 'central':16B 'club':32,33 'dance':19C,30,31 'electronic':38 'etc':37 'feat':10A,11A 'generic':39 'hits':21C 'kathy':12A 'life':3A 'my':7A 'of':2A,35,36 'on':6A 'or':40 'own':8A,9A 'radio':17C,41 'smash':20C 'soul':15B 'strings':1A 'stronger':4A,5A 'top':28,29 'unsorted':27 'volume':24C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'club', 'electronic', 'chillout']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696839.92395  (2021-05-22 17:20:39)
                             'size'  6003084