======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '171'
                                          'artist'  'Mad Sin'
                                     'text_people'  'Mourad "El Köfte" Calvies'
                                         'release'  'God Save The Sin'
                                           'title'  'Out Of My Head'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'psychobilly', 'punk', 'rockabilly', 'horror punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '107.435'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            '0'
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'TALB' (Album/Movie/Show title)                     'God Save The Sin'
'TBPM' (BPM (beats per minute))                     '107.435'
'TCOM' (Composer)                                   'Mourad "El Köfte" Calvies'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes v7.4.3.1'
'TIT2' (Title/songname/content description)         'Out Of My Head'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mad Sin'
'TPE2' (Band/orchestra/accompaniment)               'Mad Sin'
'TPUB' (Publisher)                                  'Count Orlock'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'psychobilly', 'punk', 'rockabilly', 'horror punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.454274'

========================== row from database ==========================
                                              'id'  1330853
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Mad Sin/god save the sin/06 - Out Of My Head.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  171
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3439906
                                           'mtime'  1620526517
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica god save the sin 06 rock rockabilly or psychobilly
                                      'tag_artist'  Mad Sin
                                     'tag_release'  God Save The Sin
                                       'tag_title'  Out Of My Head
                                             'bpm'  107.435
                                    'search_title'  'head':4 'my':3 'of':2 'out':1
                                   'search_artist'  'mad':1 'sin':2
                                  'search_release'  'god':1 'save':2 'sin':4 'the':3
                                     'search_rest'  '00poprockelectronic':1 'god':3 'musica':2 'or':9 'psychobilly':10 'rock':7 'rockabilly':8 'save':4 'sin':6 'the':5
                                    'search_combo'  '00poprockelectronic':11 'god':7C,13 'head':4A 'mad':5B 'musica':12 'my':3A 'of':2A 'or':19 'out':1A 'psychobilly':20 'rock':17 'rockabilly':18 'save':8C,14 'sin':6B,10C,16 'the':9C,15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'psychobilly', 'punk', 'rockabilly', 'horror punk']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526516.9720635  (2021-05-09 04:15:16)
                             'size'  3439906