======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '437'
                                          'artist'  'Connie Case'
                                     'text_people'  ''
                                         'release'  'Disco Not Disco 2'
                                           'title'  'Get Down'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['disco', '80s', '1982']"
                                     'discogstags'  "['electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '120.042'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000B80 00000A2C 000066A8 00005D22 00013634 00046A9C 0000834F 00008252 '
 '00029B72 00054C87')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000720 00000000012689D0 00000000 010B0F59 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'A30E3D0B+273590+11+150+30586+66100+80636+93392+112273+138801+171629+197575+223960+252889'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
'TALB' (Album/Movie/Show title)                     'Disco Not Disco 2'
'TBPM' (BPM (beats per minute))                     '120.042'
'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)         'Get Down'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Connie Case'
'TRCK' (Track number/Position in set)               '7/11'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'disco']
'TXXX:lastfmtags'                                   ['disco', '80s', '1982']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.432353'

========================== row from database ==========================
                                              'id'  1295114
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Ellen Allien - Compilations/[2002] Disco Not Disco 2/07 Get Down.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  437
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  17535084
                                           'mtime'  1620563640
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Ellen Allien Compilations [2002] 07 electronic we disco or italo
                                      'tag_artist'  Connie Case
                                     'tag_release'  Disco Not Disco 2
                                       'tag_title'  Get Down
                                             'bpm'  120.042
                                    'search_title'  'down':2 'get':1
                                   'search_artist'  'case':2 'connie':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':8 '00techno':9 '2':7C '2002':16,17 'allien':14 'beats':12 'case':4B 'compilations':15 'connie':3B 'disco':5C,20 'down':2A 'electronic':18 'ellen':13 'get':1A 'harder':11 'house':10 'italo':22 'not':6C 'or':21 'we':19
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['disco', '80s', '1982']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'disco']

============================== file details ==============================
                                           'mtime'  1620563640.4569883  (2021-05-09 14:34:00)
                             'size'  17535084