======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Digitalism'
                                     'text_people'  ''
                                         'release'  'Idealism'
                                           'title'  'Magnets'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'german', 'electro', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '132.966'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000011A5 00001475 00008051 0000B7DA 0001705E 0001705E 0000918A 0000967A '
 '000286D6 00026AC6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 00000000009B0A00 00000000 0054514F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Idealism'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Magnets'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Digitalism'
'TPE2' (Band/orchestra/accompaniment)               'Digitalism'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'german', 'electro', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '1.160139'

========================== row from database ==========================
                                              'id'  1337938
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Digitalism/[2007] Idealism/01 Magnets.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  electronic-we-electro
                                        'filesize'  5578986
                                           'mtime'  1621695939
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop [2007] 01 electronic we electro
                                      'tag_artist'  Digitalism
                                     'tag_release'  Idealism
                                       'tag_title'  Magnets
                                             'bpm'  132.966
                                    'search_title'  'magnets':1
                                   'search_artist'  'digitalism':1
                                  'search_release'  'idealism':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 '2007':5,6 'electro':9 'electronic':7 'electropop':3 'synthpop':4 'we':8
                                    'search_combo'  '00electro':5 '00poprockelectronic':4 '2007':8,9 'digitalism':2B 'electro':12 'electronic':10 'electropop':6 'idealism':3C 'magnets':1A 'synthpop':7 'we':11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'german', 'electro', 'electronic', 'electronica']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695938.777765  (2021-05-22 17:05:38)
                             'size'  5578986