======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '416'
                                          'artist'  'Gotan Project'
                                     'text_people'  ''
                                         'release'  'The Very Best Of Fuck Songs'
                                           'title'  'Vuelvo al sur'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronic', 'chillout', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  ('electronic-we-electropop or synthpop;set-pl-fuck me;prerock-jb-jazz-lounge '
 'or exotica or bossa')
                                             'bpm'  '98.934'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Chillout; Love'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists; Beautiful; Singer-Songwriter'
'COMM:Songs-DB_Custom3:eng'                         'French; Paris'
'COMM:Songs-DB_Occasion:eng'                        'Chillout; Love'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Very Best Of Fuck Songs'
'TBPM' (BPM (beats per minute))                     '98.934'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop',
 'set-pl-fuck me',
 'prerock-jb-jazz-lounge or exotica or bossa']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Vuelvo al sur'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gotan Project'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'TSOP' (Performer sort order)                       'Gotan Project'
'TXXX:ALBUMARTISTSORT'                              'Gotan Project'
'TXXX:ASIN'                                         'B0000DEOAI'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '059,207'
'TXXX:MP3GAIN_UNDO'                                 '+003,+003,N'
'TXXX:MusicBrainz Album Artist Id'                  '66cc244d-6f96-4668-a6e9-0f9cd5acc940'
'TXXX:MusicBrainz Album Id'                         '3d0e97b4-fdf3-4e71-968f-d11335125f8d'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '66cc244d-6f96-4668-a6e9-0f9cd5acc940'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.81 dB'
'TXXX:replaygain_track_peak'                        '0.704799'

========================== row from database ==========================
                                              'id'  258106
                                            'path'  /data/Music/Bulk/0playlists/fuck_me/11-Vuelvo Al Sur - Gotan Project.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  416
                                           'genre'  electronic-we-electropop or synthpop;set-pl-fuck me;prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6666384
                                           'mtime'  1620541754
                                   'redo_metaread'  0
                                        'rest_str'   0playlists fuck_me 11 Al Sur electronic we electropop or synthpop;set pl fuck me;prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Gotan Project
                                     'tag_release'  The Very Best Of Fuck Songs
                                       'tag_title'  Vuelvo al sur
                                             'bpm'  98.934
                                    'search_title'  'al':2 'sur':3 'vuelvo':1
                                   'search_artist'  'gotan':1 'project':2
                                  'search_release'  'best':3 'fuck':5 'of':4 'songs':6 'the':1 'very':2
                                     'search_rest'  '0playlists':1 'al':4 'bossa':24 'electronic':6 'electropop':8 'exotica':23 'fuck':2,15 'jazz':21 'jb':20 'lounge':22 'me':3,16,18 'or':9 'pl':14 'prerock':17,19 'set':11,13 'sur':5 'synthpop':10,12 'we':7
                                    'search_combo'  '0playlists':12 'al':2A,15 'best':8C 'bossa':35 'electronic':17 'electropop':19 'exotica':34 'fuck':10C,13,26 'gotan':4B 'jazz':32 'jb':31 'lounge':33 'me':14,27,29 'of':9C 'or':20 'pl':25 'prerock':28,30 'project':5B 'set':22,24 'songs':11C 'sur':3A,16 'synthpop':21,23 'the':6C 'very':7C 'vuelvo':1A 'we':18
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'downtempo', 'electronic', 'chillout', 'tango']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541754.47625  (2021-05-09 08:29:14)
                             'size'  6666384