======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '306'
                                          'artist'  'Robert Hood'
                                     'text_people'  ''
                                         'release'  'Internal Empire'
                                           'title'  'Spirit Levels'
                                           'quals'  ("['Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-SYN-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-MIXBEAT-3', 'Q-PLAY-3', 'Q-CHART-2', "
 "'q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '145.9'
                                             'key'  '11A'
                                        'acoustid'  'c1e7d90c-eb1c-4c38-976b-02916005aa9f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Internal Empire'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Spirit Levels'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Hood'
'TPE2' (Band/orchestra/accompaniment)               'Robert Hood'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tresor'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'Hood, Robert'
'TSOP' (Performer sort order)                       'Hood, Robert'
'TXXX:ARTISTS'                                      'Robert Hood'
'TXXX:Acoustid Id'                                  'c1e7d90c-eb1c-4c38-976b-02916005aa9f'
'TXXX:BARCODE'                                      '718752927727'
'TXXX:CATALOGNUMBER'                                'Tresor 77'
'TXXX:MusicBrainz Album Artist Id'                  'e8a61400-baf7-4fb3-a3e3-c9e7b665547f'
'TXXX:MusicBrainz Album Id'                         'b0b86026-1fac-4e4c-b8a0-c73675f98b56'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e8a61400-baf7-4fb3-a3e3-c9e7b665547f'
'TXXX:MusicBrainz Release Group Id'                 '245a5813-8461-3686-a682-d3e9c3585c2b'
'TXXX:MusicBrainz Release Track Id'                 '2d3ec9e5-c9fc-4643-bd00-ed98f691e5e1'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.985057'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2d06af1d-aa69-4ddf-b65b-29c702d61516')

========================== row from database ==========================
                                              'id'  1536308
                                            'path'  /data/Music/Bulk/00poprockelectronic/[TRESOR77CD] Robert Hood - Internal Empire (1998)/09   Spirit Levels.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  306
                                           'genre'  electronic-th-techno
                                        'filesize'  6172923
                                           'mtime'  1640869715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [TRESOR77CD] (1998) 09 electronic th techno
                                      'tag_artist'  Robert Hood
                                     'tag_release'  Internal Empire
                                       'tag_title'  Spirit Levels
                                             'bpm'  145.9
                                    'search_title'  'levels':2 'spirit':1
                                   'search_artist'  'hood':2 'robert':1
                                  'search_release'  'empire':2 'internal':1
                                     'search_rest'  '00poprockelectronic':1 '1998':4,5 'electronic':6 'techno':8 'th':7 'tresor77cd':2,3
                                    'search_combo'  '00poprockelectronic':7 '1998':10,11 'electronic':12 'empire':6C 'hood':4B 'internal':5C 'levels':2A 'robert':3B 'spirit':1A 'techno':14 'th':13 'tresor77cd':8,9
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-SYN-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-MIXBEAT-3', 'Q-PLAY-3', 'Q-CHART-2', 'q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1640869714.882884  (2021-12-30 14:08:34)
                             'size'  6172923