======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'Los Belmonts'
                                     'text_people'  ''
                                         'release'  "Tape No249 - (We Ain't Got) Nothin' Yet"
                                           'title'  'No Crease En La Mujer'
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'latin', '60s', 'spanish', 'mexico']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '139.8'
                                             'key'  '3A'
                                        '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 No249 - (We Ain't Got) Nothin' Yet"
'TBPM' (BPM (beats per minute))                     '139.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'No Crease En La Mujer'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Belmonts'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:country'                                      'MX'
'TXXX:lastfmtags'                                   ['rock and roll', 'latin', '60s', 'spanish', 'mexico']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+24.11 dB'
'TXXX:replaygain_track_peak'                        '0.031960'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  502522
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT249/03 - Los Belmonts - No Crease En La Mujer (1966 MX).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3553510
                                           'mtime'  1620385513
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT249 03 (1966 MX) rock gr garage;set pl garagetapes
                                      'tag_artist'  Los Belmonts
                                     'tag_release'  Tape No249 - (We Ain't Got) Nothin' Yet
                                       'tag_title'  No Crease En La Mujer
                                             'bpm'  139.8
                                    'search_title'  'crease':2 'en':3 'la':4 'mujer':5 'no':1
                                   'search_artist'  'belmonts':2 'los':1
                                  'search_release'  'ain':5 'aint':7 'got':8,9 'no249':2 'nothin':10,11 't':6 'tape':1 'we':3,4 'yet':12
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt249':5 'mx':8,9 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '1966':25,26 'ain':12C 'aint':14C 'belmonts':7B 'blogspot':21 'com':22 'crease':2A 'en':3A 'garage':31,33 'garagetapes':20,36 'garagetapesblogspotcom':23 'got':15C,16C 'gr':30 'gt249':24 'la':4A 'los':6B 'mujer':5A 'mx':27,28 'no':1A 'no249':9C 'nothin':17C,18C 'pl':35 'rock':29 'set':32,34 't':13C 'tape':8C 'we':10C,11C 'yet':19C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'latin', '60s', 'spanish', 'mexico']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385512.6563864  (2021-05-07 13:05:12)
                             'size'  3553510