======================== unified (from filesystem) ========================
                                         'bitrate'  '223.124'
                                        'duration'  '189'
                                          'artist'  'David Guetta'
                                     'text_people'  ''
                                         'release'  'Club Fever'
                                           'title'  'The World Is Mine (feat. JD Davis & Joachim Garraud)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'club', 'electronic', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '41'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.766'
                                             'key'  '11A'
                                        '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)                     'Club Fever'
'TBPM' (BPM (beats per minute))                     '127.766'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2005-03-07'
'TIT2' (Title/songname/content description)         'The World Is Mine (feat. JD Davis & Joachim Garraud)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Guetta'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Virgin TV'
'TRCK' (Track number/Position in set)               '20/41'
'TSOP' (Performer sort order)                       'Guetta, David'
'TSRC' (ISRC (international standard recording code))  'FRZID0470000'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B0007SMEOK'
'TXXX:BARCODE'                                      '724387360228'
'TXXX:CATALOGNUMBER'                                'VTDCD 706'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'd9d6449d-d5f6-4848-8bb7-7780ebf28749'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '302bd7b9-d012-4360-897a-93b00c855680'
'TXXX:MusicIP PUID'                                 '36d2573a-aa68-04fb-2ff1-ce1f71e2e54e'
'TXXX:MusicMagic Data'                              'AgEBFhHnlfidmPXLh2EZ0F0M4DqB6IiW4YuaW1+mu1LwtIABgvPf4a+o1VPIrsdjg32AAQhmoB0Y7xiRgNLuFNV4BcXBmuuYKSWAAaQDmWO+IoNRGSFbe7GGgwiIUcinmI5jBd0rBWiPOINsyF6z59Pk9EjD9oM1gAEdQI/KD/IiXIz48DTrNAfvtmD+SeRogUc='
'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-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:first_played_timestamp'                       '128976666266629502'
'TXXX:last_played_timestamp'                        '128976666266629502'
'TXXX:lastfmtags'                                   ['dance', 'house', 'club', 'electronic', 'techno']
'TXXX:play_count'                                   '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.390633'

========================== row from database ==========================
                                              'id'  1321340
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/538 Dance Smash 2005-02-10-David Guetta-The World Is Mine.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  189
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5281010
                                           'mtime'  1621696748
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 538 Dance Smash 2005 02 10 electronic generic radio dance
                                      'tag_artist'  David Guetta
                                     'tag_release'  Club Fever
                                       'tag_title'  The World Is Mine (feat. JD Davis & Joachim Garraud)
                                             'bpm'  127.766
                                    'search_title'  'davis':8 'feat':5,6 'garraud':10,11 'is':3 'jd':7 'joachim':9 'mine':4 'the':1 'world':2
                                   'search_artist'  'david':1 'guetta':2
                                  'search_release'  'club':1 'fever':2
                                     'search_rest'  '00poprockelectronic':1 '2005':10 '538':7 'dance':8 'electronic':11 'files':5,6 'generic':12 'loose':3,4 'radio':13 'smash':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '2005':25 '538':22 'club':14C 'dance':23 'david':12B 'davis':8A 'electronic':26 'feat':5A,6A 'fever':15C 'files':20,21 'garraud':10A,11A 'generic':27 'guetta':13B 'is':3A 'jd':7A 'joachim':9A 'loose':18,19 'mine':4A 'radio':28 'smash':24 'the':1A 'unsorted':17 'world':2A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'club', 'electronic', 'techno']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696747.5627577  (2021-05-22 17:19:07)
                             'size'  5281010