======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '316'
                                          'artist'  'Sonoma'
                                     'text_people'  ''
                                         'release'  'Tape No144 - Magic Colors (Covers From All Over The Globe)'
                                           'title'  'It Was A Very Good Year'
                                           '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']")
                                      'lastfmtags'  "['ambient', 'electronic', 'juan fortran', 'house', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '130.6'
                                             'key'  '10A'
                                        '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 No144 - Magic Colors (Covers From All Over The Globe)'
'TBPM' (BPM (beats per minute))                     '130.6'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'It Was A Very Good Year'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonoma'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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'                                   ['ambient', 'electronic', 'juan fortran', 'house', 'synthpop']
'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'                        '+24.22 dB'
'TXXX:replaygain_track_peak'                        '0.040606'
'TXXX:tracknum'                                     '13'

========================== row from database ==========================
                                              'id'  506643
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT144/13 - Sonoma - It Was A Very Good Year (1969 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  316
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  7681344
                                           'mtime'  1620384721
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT144 13 (1969 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Sonoma
                                     'tag_release'  Tape No144 - Magic Colors (Covers From All Over The Globe)
                                       'tag_title'  It Was A Very Good Year
                                             'bpm'  130.6
                                    'search_title'  'a':3 'good':5 'it':1 'very':4 'was':2 'year':6
                                   'search_artist'  'sonoma':1
                                  'search_release'  'all':8 'colors':4 'covers':5,6 'from':7 'globe':11,12 'magic':3 'no144':2 'over':9 'tape':1 'the':10
                                     'search_rest'  '1969':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt144':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1969':25,26 'a':3A 'all':15C 'blogspot':21 'colors':11C 'com':22 'covers':12C,13C 'from':14C 'garage':31,33 'garagetapes':20,36 'garagetapesblogspotcom':23 'globe':18C,19C 'good':5A 'gr':30 'gt144':24 'it':1A 'magic':10C 'no144':9C 'over':16C 'pl':35 'rock':29 'set':32,34 'sonoma':7B 'tape':8C 'the':17C 'us':27,28 'very':4A 'was':2A 'year':6A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  10A
                                           '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'  ['ambient', 'electronic', 'juan fortran', 'house', 'synthpop']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384721.2811985  (2021-05-07 12:52:01)
                             'size'  7681344