======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '112'
                                          'artist'  'Bartholomew Plus Three'
                                     'text_people'  ''
                                         'release'  "Tape No176 - If You Can't Love Me Pity Me"
                                           'title'  "'Cause I'm Alone"
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '126.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     "Tape No176 - If You Can't Love Me Pity Me"
'TBPM' (BPM (beats per minute))                     '126.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         "'Cause I'm Alone"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bartholomew Plus Three'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                      'CA'
'TXXX:discogstags'                                  'rock'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+25.51 dB'
'TXXX:replaygain_track_peak'                        '0.031331'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  1506805
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT176/10 - Bartholomew Plus Three - _Cause I_m Alone (1966 CA).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  112
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2759443
                                           'mtime'  1620385003
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT176 10 _Cause I_m (1966 CA) rock gr garage;set pl garagetapes
                                      'tag_artist'  Bartholomew Plus Three
                                     'tag_release'  Tape No176 - If You Can't Love Me Pity Me
                                       'tag_title'  'Cause I'm Alone
                                             'bpm'  126.6
                                    'search_title'  'alone':6 'cause':1,2 'i':3 'im':5 'm':4
                                   'search_artist'  'bartholomew':1 'plus':2 'three':3
                                  'search_release'  'can':5 'cant':7 'if':3 'love':8 'me':9 'no176':2 'pity':10 't':6 'tape':1 'you':4
                                     'search_rest'  '1966':9,10 'blogspot':2 'ca':11,12 'cause':6 'com':3 'garage':15,17 'garagetapes':1,20 'garagetapesblogspotcom':4 'gr':14 'gt176':5 'i':7 'm':8 'pl':19 'rock':13 'set':16,18
                                    'search_combo'  '1966':28,29 'alone':6A 'bartholomew':7B 'blogspot':21 'ca':30,31 'can':14C 'cant':16C 'cause':1A,2A,25 'com':22 'garage':34,36 'garagetapes':20,39 'garagetapesblogspotcom':23 'gr':33 'gt176':24 'i':3A,26 'if':12C 'im':5A 'love':17C 'm':4A,27 'me':18C 'no176':11C 'pity':19C 'pl':38 'plus':8B 'rock':32 'set':35,37 't':15C 'tape':10C 'three':9B 'you':13C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385002.9790215  (2021-05-07 12:56:42)
                             'size'  2759443