======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '239'
                                          'artist'  'Jason Ames'
                                     'text_people'  ''
                                         'release'  'Summerjam 2003'
                                           'title'  'Yesterday'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'dance', 'ital']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.089'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:í\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xed\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Summerjam 2003'
'TBPM' (BPM (beats per minute))                     '128.089'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TCOP' (Copyright message)                          'Dutchy ;-)'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Yesterday'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Ames'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'dance', 'ital']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.43 dB'
'TXXX:replaygain_track_peak'                        '0.594893'

========================== row from database ==========================
                                              'id'  1407124
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Summer Jams 2003/12 - Jason Ames - Yesterday.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  239
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5745551
                                           'mtime'  1621695881
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Jams 12 electronic generic or radio dance
                                      'tag_artist'  Jason Ames
                                     'tag_release'  Summerjam 2003
                                       'tag_title'  Yesterday
                                             'bpm'  128.089
                                    'search_title'  'yesterday':1
                                   'search_artist'  'ames':2 'jason':1
                                  'search_release'  '2003':2 'summerjam':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':6 'generic':2 'jams':5 'or':7 'radio':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 '2003':5C 'ames':3B 'dance':8 'electronic':11 'generic':7 'jams':10 'jason':2B 'or':12 'radio':13 'summerjam':4C 'trapbeat':9 'yesterday':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'ital']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695880.725916  (2021-05-22 17:04:40)
                             'size'  5745551