======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '209'
                                          'artist'  "The 2+2's"
                                     'text_people'  ''
                                         'release'  ("Tape No071 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part III)')
                                           'title'  "I'm Mad"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '142.5'
                                             'key'  '12B'
                                        '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 No071 - I'm Going To Change The World (Covering The Songs Of Eric "
 'Burdon And The Animals, Part III)')
'TBPM' (BPM (beats per minute))                     '142.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "I'm Mad"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "The 2+2's"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:COUNTRY'                                      'US'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+25.71 dB'
'TXXX:replaygain_track_peak'                        '0.037843'
'TXXX:tracknum'                                     '02'

========================== row from database ==========================
                                              'id'  1527931
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT071 - I_m Going To Change The World (Part III)/02 - The 2+2_s - I_m Mad (1966 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  209
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  5115080
                                           'mtime'  1620383407
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT071 I_m (Part 02 2+2_s I_m (1966 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  The 2+2's
                                     'tag_release'  Tape No071 - I'm Going To Change The World (Covering The Songs Of Eric Burdon And The Animals, Part III)
                                       'tag_title'  I'm Mad
                                             'bpm'  142.5
                                    'search_title'  'i':1 'im':3 'm':2 'mad':4
                                   'search_artist'  '+2':3,6 '2':2,5 's':4,7 'the':1
                                  'search_release'  'and':17 'animals':18,19 'burdon':16 'change':8 'covering':11,12 'eric':15 'going':6 'i':3 'iii':21,22 'im':5 'm':4 'no071':2 'of':14 'part':20 'songs':13 'tape':1 'the':9 'to':7 'world':10
                                     'search_rest'  '+2':11 '1966':13,14 '2':10 'blogspot':2 'com':3 'garage':19,21 'garagetapes':1,24 'garagetapesblogspotcom':4 'gr':18 'gt071':5 'i':6 'm':7 'part':8,9 'pl':23 'rock':17 's':12 'set':20,22 'us':15,16
                                    'search_combo'  '+2':7B,10B,44 '1966':46,47 '2':6B,9B,43 'and':28C 'animals':29C,30C 'blogspot':35 'burdon':27C 'change':19C 'com':36 'covering':22C,23C 'eric':26C 'garage':52,54 'garagetapes':34,57 'garagetapesblogspotcom':37 'going':17C 'gr':51 'gt071':38 'i':1A,14C,39 'iii':32C,33C 'im':3A,16C 'm':2A,15C,40 'mad':4A 'no071':13C 'of':25C 'part':31C,41,42 'pl':56 'rock':50 's':8B,11B,45 'set':53,55 'songs':24C 'tape':12C 'the':5B,20C 'to':18C 'us':48,49 'world':21C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383406.5042048  (2021-05-07 12:30:06)
                             'size'  5115080