======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '59'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  "Television's Greatest Hits, Vol. 4"
                                           'title'  'Hopalong Cassidy March'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  ''
                                            'date'  '1952'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar'
                                             'bpm'  '128.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Television's Greatest Hits, Vol. 4"
'TBPM' (BPM (beats per minute))                     '128.5'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar']
'TDRC' (Recording time)                             '1952'
'TIT2' (Title/songname/content description)         'Hopalong Cassidy March'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '59271'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '33'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.370071'

========================== row from database ==========================
                                              'id'  746066
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1952) hopalong cassidy march.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  59
                                           'genre'  soundtrack-unsorted;mi-guitar
                                        'filesize'  1434812
                                           'mtime'  1620331729
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1952) hopalong cassidy march soundtrack unsorted;mi guitar
                                      'tag_artist'  [unknown]
                                     'tag_release'  Television's Greatest Hits, Vol. 4
                                       'tag_title'  Hopalong Cassidy March
                                             'bpm'  128.5
                                    'search_title'  'cassidy':2 'hopalong':1 'march':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '4':9 'greatest':4 'hits':5,6 's':2 'television':1 'televisions':3 'vol':7,8
                                     'search_rest'  '1952':12,13 'age':3 'cassidy':15 'century':6 'domestics':7 'guitar':22 'hopalong':14 'jingles':8,9 'march':16 'mi':19,21 'mid':5 'pop':4 'soundtrack':17 'space':2 'themes':10,11 'unsorted':18,20 'va':1
                                    'search_combo'  '1952':26,27 '4':14C 'age':17 'cassidy':2A,29 'century':20 'domestics':21 'greatest':9C 'guitar':36 'hits':10C,11C 'hopalong':1A,28 'jingles':22,23 'march':3A,30 'mi':33,35 'mid':19 'pop':18 's':7C 'soundtrack':31 'space':16 'television':6C 'televisions':8C 'themes':24,25 'unknown':4B,5B 'unsorted':32,34 'va':15 'vol':12C,13C
                                    'tag_tracknum'  33
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1952
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331729.1148384  (2021-05-06 22:08:49)
                             'size'  1434812