======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '261'
                                          'artist'  'John Lennon'
                                     'text_people'  'John Lennon'
                                         'release'  'Imagine'
                                           'title'  'Oh Yoko!'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop', 'rock & roll', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '85.2'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '20130213'
'COMM:iTunNORM:eng'                                 ('000004E2 00000675 00002D6F 00002679 00005AD0 00013634 00007C96 00007FAB '
 '00012A5E 00012A5E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000768 0000000000AF9F08 00000000 003FAE0B 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'RVA2:album'                                        RVA2(desc='album', channel=1, gain=0.0, peak=0.0)
'RVA2:track'                                        RVA2(desc='track', channel=1, gain=0.0, peak=0.0)
'TALB' (Album/Movie/Show title)                     'Imagine'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCMP'                                              '0'
'TCOM' (Composer)                                   'John Lennon'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1971'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'Oh Yoko!'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Lennon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'rock & roll', 'pop rock']
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.581357'

========================== row from database ==========================
                                              'id'  1364028
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/John Lennon - Imagine/10 Oh Yoko!.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  261
                                           'genre'  electronic-unsorted
                                        'filesize'  4297539
                                           'mtime'  1676053034
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 electronic unsorted
                                      'tag_artist'  John Lennon
                                     'tag_release'  Imagine
                                       'tag_title'  Oh Yoko!
                                             'bpm'  85.2
                                    'search_title'  'oh':1 'yoko':2
                                   'search_artist'  'john':1 'lennon':2
                                  'search_release'  'imagine':1
                                     'search_rest'  '00singer':1 'electronic':4 'eos':3 'songwriter':2 'unsorted':5
                                    'search_combo'  '00singer':6 'electronic':9 'eos':8 'imagine':5C 'john':3B 'lennon':4B 'oh':1A 'songwriter':7 'unsorted':10 'yoko':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  1971
                                     'discogstags'  ['rock', 'pop', 'rock & roll', 'pop rock']

============================== file details ==============================
                                           'mtime'  1676053033.7202766  (2023-02-10 19:17:13)
                             'size'  4297539