======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '286'
                                          'artist'  'Spotlights'
                                     'text_people'  ''
                                         'release'  'Tape No130 - Instrumental Sounds (Part IV)'
                                           'title'  "Morphal's Song"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['post-metal', 'shoegaze', 'post-rock', 'usa']"
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.8'
                                             'key'  '9A'
                                        '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 No130 - Instrumental Sounds (Part IV)'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "Morphal's Song"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Spotlights'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                      'FR'
'TXXX:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['post-metal', 'shoegaze', 'post-rock', 'usa']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+24.64 dB'
'TXXX:replaygain_track_peak'                        '0.030756'
'TXXX:tracknum'                                     '17'

========================== row from database ==========================
                                              'id'  1512324
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT130/17 - Spotlights - Morphal_s Song (1970 FR).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  286
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  6946144
                                           'mtime'  1620384607
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT130 17 Morphal_s (1970 FR) rock gr garage;set pl garagetapes
                                      'tag_artist'  Spotlights
                                     'tag_release'  Tape No130 - Instrumental Sounds (Part IV)
                                       'tag_title'  Morphal's Song
                                             'bpm'  145.8
                                    'search_title'  'morphal':1 'morphals':3 's':2 'song':4
                                   'search_artist'  'spotlights':1
                                  'search_release'  'instrumental':3 'iv':7,8 'no130':2 'part':5,6 'sounds':4 'tape':1
                                     'search_rest'  '1970':8,9 'blogspot':2 'com':3 'fr':10,11 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt130':5 'morphal':6 'pl':18 'rock':12 's':7 'set':15,17
                                    'search_combo'  '1970':21,22 'blogspot':15 'com':16 'fr':23,24 'garage':27,29 'garagetapes':14,32 'garagetapesblogspotcom':17 'gr':26 'gt130':18 'instrumental':8C 'iv':12C,13C 'morphal':1A,19 'morphals':3A 'no130':7C 'part':10C,11C 'pl':31 'rock':25 's':2A,20 'set':28,30 'song':4A 'sounds':9C 'spotlights':5B 'tape':6C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['post-metal', 'shoegaze', 'post-rock', 'usa']
                                        'tag_date'  1970
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620384606.5013926  (2021-05-07 12:50:06)
                             'size'  6946144