======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '193'
                                          'artist'  'Barry Waite & Ltd'
                                     'text_people'  ''
                                         'release'  'Disco Not Disco 2'
                                           'title'  'Sting (Part One)'
                                           '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-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-sced'
                                             'bpm'  '123.708'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000B78 00000A86 0000C790 0000B0C8 000054CB 00021E8D 0000809A 00007DDC '
 '00028772 0000C96D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000990 0000000000826B60 00000000 0076353A 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'                  '3'
'TALB' (Album/Movie/Show title)                     'Disco Not Disco 2'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Sting (Part One)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barry Waite & Ltd'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3/11'
'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:lastfmtags'                                   'funk'
'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'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.350471'

========================== row from database ==========================
                                              'id'  1419102
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Disco Not Disco 2/03 Sting (Part One).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  193
                                           'genre'  electronic-we-disco or italo;set-pl-sced
                                        'filesize'  7779957
                                           'mtime'  1620532978
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 03 electronic we disco or italo;set pl sced
                                      'tag_artist'  Barry Waite & Ltd
                                     'tag_release'  Disco Not Disco 2
                                       'tag_title'  Sting (Part One)
                                             'bpm'  123.708
                                    'search_title'  'one':4,5 'part':2,3 'sting':1
                                   'search_artist'  'barry':1 'ltd':3 'waite':2
                                  'search_release'  '2':3 'disco':1 'not':2
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'disco':7 'electronic':5 'generic':2 'italo':9,11 'or':8 'pl':13 'sced':14 'set':10,12 'trapbeat':4 'we':6
                                    'search_combo'  '00poprockelectronic':12 '2':11C 'barry':6B 'dance':14 'disco':9C,18 'electronic':16 'generic':13 'italo':20,22 'ltd':8B 'not':10C 'one':4A,5A 'or':19 'part':2A,3A 'pl':24 'sced':25 'set':21,23 'sting':1A 'trapbeat':15 'waite':7B 'we':17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['funk']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532978.0267217  (2021-05-09 06:02:58)
                             'size'  7779957