======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '170'
                                          'artist'  'CAN'
                                     'text_people'  ''
                                         'release'  'Disco Not Disco 2'
                                           'title'  'Aspectacle (Holger Czukay Edit)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
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 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '123.032'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000005A8 000006D0 00002AAA 000038DF 0000061F 000023B6 0000835E 000081F6 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 00000000007272F0 00000000 0067B706 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            'A30E3D0B+273590+11+150+30586+66100+80636+93392+112273+138801+171629+197575+223960+252889'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '4'
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'TBPM' (BPM (beats per minute))                     '123.032'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Aspectacle (Holger Czukay Edit)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'CAN'
'TRCK' (Track number/Position in set)               '4/11'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['krautrock', 'rock']
'TXXX:lastfmtags'                                   ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.516862'

========================== row from database ==========================
                                              'id'  1339606
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Ellen Allien - Compilations/[2002] Disco Not Disco 2/04 Aspectacle (Holger Czukay Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  170
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6830135
                                           'mtime'  1620563635
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Ellen Allien Compilations [2002] 04 electronic we disco or italo
                                      'tag_artist'  CAN
                                     'tag_release'  Disco Not Disco 2
                                       'tag_title'  Aspectacle (Holger Czukay Edit)
                                             'bpm'  123.032
                                    'search_title'  'aspectacle':1 'czukay':4 'edit':5,6 'holger':2,3
                                   'search_artist'  'can':1
                                  'search_release'  '2':3 'disco':1 'not':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '2002':9,10 'allien':7 'beats':5 'compilations':8 'disco':13 'electronic':11 'ellen':6 'harder':4 'house':3 'italo':15 'or':14 'we':12
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 '2':10C '2002':19,20 'allien':17 'aspectacle':1A 'beats':15 'can':7B 'compilations':18 'czukay':4A 'disco':8C,23 'edit':5A,6A 'electronic':21 'ellen':16 'harder':14 'holger':2A,3A 'house':13 'italo':25 'not':9C 'or':24 'we':22
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  2002
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1620563634.5461762  (2021-05-09 14:33:54)
                             'size'  6830135