======================== unified (from filesystem) ========================
                                         'bitrate'  '258.509'
                                        'duration'  '401'
                                          'artist'  'Yes'
                                     'text_people'  ''
                                         'release'  'Progsoup 37'
                                           'title'  'Fly From Here - Pt. II - Sad Night at the Airfield'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'progressive rock', 'british', 'progressive', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  '11'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '143.721'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x01\x02<\x0b\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x01\x02<\x0b\x00')
'TALB' (Album/Movie/Show title)                     'Progsoup 37'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2011-07-01'
'TIT2' (Title/songname/content description)         'Fly From Here - Pt. II - Sad Night at the Airfield'
'TKEY' (Initial key)                                '11A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Yes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Frontiers Records'
'TRCK' (Track number/Position in set)               '31/11'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME3.98.4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Retail'
'TXXX:Rip date'                                     '2011-06-23'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:lastfmtags'                                   ['rock', 'progressive rock', 'british', 'progressive', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.383914'

========================== row from database ==========================
                                              'id'  1416338
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 37/2162 yes - sad night at the airfield.mp3
                                         'working'  None
                                         'bitrate'  258
                                    'duration_sec'  401
                                           'genre'  rock-cppex-progressive
                                        'filesize'  12977654
                                           'mtime'  1620737287
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2162 yes sad night airfield rock cppex progressive
                                      'tag_artist'  Yes
                                     'tag_release'  Progsoup 37
                                       'tag_title'  Fly From Here - Pt. II - Sad Night at the Airfield
                                             'bpm'  143.721
                                    'search_title'  'airfield':11 'at':9 'fly':1 'from':2 'here':3 'ii':6 'night':8 'pt':4,5 'sad':7 'the':10
                                   'search_artist'  'yes':1
                                  'search_release'  '37':2 'progsoup':1
                                     'search_rest'  '2162':3 'airfield':7 'classicprogpsy':1 'cppex':9 'night':6 'progressive':10 'progsoup':2 'rock':8 'sad':5 'yes':4
                                    'search_combo'  '2162':17 '37':14C 'airfield':11A,21 'at':9A 'classicprogpsy':15 'cppex':23 'fly':1A 'from':2A 'here':3A 'ii':6A 'night':8A,20 'progressive':24 'progsoup':13C,16 'pt':4A,5A 'rock':22 'sad':7A,19 'the':10A 'yes':12B,18
                                    'tag_tracknum'  31
                                      'num_images'  0
                                             'key'  11A
                                           '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'british', 'progressive', 'classic rock']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737287.2549748  (2021-05-11 14:48:07)
                             'size'  12977654