======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '169'
                                          'artist'  'Outsiders'
                                     'text_people'  ''
                                         'release'  'Tape No013 - No Escape'
                                           'title'  'Summertime Blues'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', '60s', 'psychedelic', 'rock', 'garage']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '144.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No013 - No Escape'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Summertime Blues'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Outsiders'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Crypt'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['garage rock', '60s', 'psychedelic', 'rock', 'garage']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.516876'
'TXXX:tracknum'                                     '03'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N38U????\x03V5U??/P5')

========================== row from database ==========================
                                              'id'  502245
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT013 - No Escape (shakenroll.blogspot.com)/03 - Outsiders - Summertime Blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  169
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4075392
                                           'mtime'  1620382795
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT013 (shakenroll.blogspot.com) 03 rock gr garage;set pl garagetapes
                                      'tag_artist'  Outsiders
                                     'tag_release'  Tape No013 - No Escape
                                       'tag_title'  Summertime Blues
                                             'bpm'  144.6
                                    'search_title'  'blues':2 'summertime':1
                                   'search_artist'  'outsiders':1
                                  'search_release'  'escape':4 'no':3 'no013':2 'tape':1
                                     'search_rest'  'blogspot':2,7 'com':3,8 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt013':5 'pl':16 'rock':10 'set':13,15 'shakenroll':6 'shakenrollblogspotcom':9
                                    'search_combo'  'blogspot':9,14 'blues':2A 'com':10,15 'escape':7C 'garage':19,21 'garagetapes':8,24 'garagetapesblogspotcom':11 'gr':18 'gt013':12 'no':6C 'no013':5C 'outsiders':3B 'pl':23 'rock':17 'set':20,22 'shakenroll':13 'shakenrollblogspotcom':16 'summertime':1A 'tape':4C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', '60s', 'psychedelic', 'rock', 'garage']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620382795.2371426  (2021-05-07 12:19:55)
                             'size'  4075392