======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '133'
                                          'artist'  'John & Kay Holmes'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'The Ballad of the Camping Woodcutter'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '144.0'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:ZuneCollectionID:Yn\r\x1d\x83ëvJ\x8bÛ«\x0f׬?è'  PRIV(owner='ZuneCollectionID', data=b'Yn\r\x1d\x83\xebvJ\x8b\xdb\xab\x0f\xd7\xac?\xe8')
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '144.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'The Ballad of the Camping Woodcutter'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'John & Kay Holmes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.466127'

========================== row from database ==========================
                                              'id'  1476424
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/The Ballad of the Camping Woodcutter.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  133
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1677280
                                           'mtime'  1636916431
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs electronic experimental oddness
                                      'tag_artist'  John & Kay Holmes
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  The Ballad of the Camping Woodcutter
                                             'bpm'  144.0
                                    'search_title'  'ballad':2 'camping':4 'of':3 'the':1 'woodcutter':5
                                   'search_artist'  'holmes':3 'john':1 'kay':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'electronic':3 'experimental':4 'maniacs':2 'music':1 'oddness':5
                                    'search_combo'  'ballad':2A 'camping':4A 'electronic':14 'experimental':15 'for':10C 'holmes':8B 'john':6B 'kay':7B 'maniacs':11C,13 'music':9C,12 'oddness':16 'of':3A 'the':1A 'woodcutter':5A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916430.6657522  (2021-11-14 20:00:30)
                             'size'  1677280