======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '62'
                                          'artist'  'Dr. Awesome'
                                     'text_people'  ''
                                         'release'  'Digitalista Commodore Collection'
                                           'title'  'Intromusic 3'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'norwegian', 'amiga', 'epic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '035'
                                      'tracktotal'  '186'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'soundtrack-game;electronic-we-beeps or chip or pico'
                                             'bpm'  '107.265'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Digitalista Commodore Collection'
'TBPM' (BPM (beats per minute))                     '107.265'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-game', 'electronic-we-beeps or chip or pico']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Intromusic 3'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '12173943'
'TPE1' (Lead performer(s)/Soloist(s))               'Dr. Awesome'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'www.digitalista.de'
'TRCK' (Track number/Position in set)               '035/186'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame 64bits version 3.99.5 (http://lame.sf.net)'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'norwegian', 'amiga', 'epic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.643160'

========================== row from database ==========================
                                              'id'  1331560
                                            'path'  /data/Music/Bulk/00poprockelectronic/Digitalista Commodore Collection/035. Intromusic 3.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  62
                                           'genre'  soundtrack-game;electronic-we-beeps or chip or pico
                                        'filesize'  1030613
                                           'mtime'  1621627133
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 035. soundtrack game;electronic beeps chip pico
                                      'tag_artist'  Dr. Awesome
                                     'tag_release'  Digitalista Commodore Collection
                                       'tag_title'  Intromusic 3
                                             'bpm'  107.265
                                    'search_title'  '3':2 'intromusic':1
                                   'search_artist'  'awesome':3 'dr':1,2
                                  'search_release'  'collection':3 'commodore':2 'digitalista':1
                                     'search_rest'  '00poprockelectronic':1 '035':2,3 'beeps':9 'chip':10 'electronic':6,8 'game':5,7 'pico':11 'soundtrack':4
                                    'search_combo'  '00poprockelectronic':9 '035':10,11 '3':2A 'awesome':5B 'beeps':17 'chip':18 'collection':8C 'commodore':7C 'digitalista':6C 'dr':3B,4B 'electronic':14,16 'game':13,15 'intromusic':1A 'pico':19 'soundtrack':12
                                    'tag_tracknum'  35
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'norwegian', 'amiga', 'epic']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621627133.2954075  (2021-05-21 21:58:53)
                             'size'  1030613