======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'The Brave New World'
                                     'text_people'  ''
                                         'release'  'Tape No088 - Covering The Yardbirds (Part II)'
                                           'title'  "The Train Kept A Rollin'"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'proto-punk', '60s', 'rock n roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '133.7'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No088 - Covering The Yardbirds (Part II)'
'TBPM' (BPM (beats per minute))                     '133.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "The Train Kept A Rollin'"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Brave New World'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'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:country'                                      'US'
'TXXX:lastfmtags'                                   ['garage rock', 'proto-punk', '60s', 'rock n roll']
'TXXX:q-bass'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+24.10 dB'
'TXXX:replaygain_track_peak'                        '0.018801'
'TXXX:tracknum'                                     '11'

========================== row from database ==========================
                                              'id'  1514350
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT088/11 - The Brave New World - The Train Kept A Rollin_ (196 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4793039
                                           'mtime'  1620383784
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT088 11 Rollin_ (196 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Brave New World
                                     'tag_release'  Tape No088 - Covering The Yardbirds (Part II)
                                       'tag_title'  The Train Kept A Rollin'
                                             'bpm'  133.7
                                    'search_title'  'a':4 'kept':3 'rollin':5,6 'the':1 'train':2
                                   'search_artist'  'brave':2 'new':3 'the':1 'world':4
                                  'search_release'  'covering':3 'ii':8,9 'no088':2 'part':6,7 'tape':1 'the':4 'yardbirds':5
                                     'search_rest'  '196':7,8 'blogspot':2 'com':3 'garage':13,15 'garagetapes':1,18 'garagetapesblogspotcom':4 'gr':12 'gt088':5 'pl':17 'rock':11 'rollin':6 'set':14,16 'us':9,10
                                    'search_combo'  '196':26,27 'a':4A 'blogspot':21 'brave':8B 'com':22 'covering':13C 'garage':32,34 'garagetapes':20,37 'garagetapesblogspotcom':23 'gr':31 'gt088':24 'ii':18C,19C 'kept':3A 'new':9B 'no088':12C 'part':16C,17C 'pl':36 'rock':30 'rollin':5A,6A,25 'set':33,35 'tape':11C 'the':1A,7B,14C 'train':2A 'us':28,29 'world':10B 'yardbirds':15C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'proto-punk', '60s', 'rock n roll']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383784.347975  (2021-05-07 12:36:24)
                             'size'  4793039