======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '444'
                                          'artist'  'jannick top'
                                     'text_people'  ''
                                         'release'  'Progsoup 38'
                                           'title'  '  infernal machina part 1'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-4', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['zeuhl', 'progressive rock', 'bass', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '55'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '146.000'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '1'
'COMM:iTunPGAP:eng'                                 '1'
'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         '  infernal machina part 1'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'jannick top'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '55/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['zeuhl', 'progressive rock', 'bass', 'french']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.636154'

========================== row from database ==========================
                                              'id'  1416089
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2233 jannick top -  infernal machina part 1.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  444
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  17770322
                                           'mtime'  1620737317
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2233 rock cppex progressive;set pl progspace
                                      'tag_artist'  jannick top
                                     'tag_release'  Progsoup 38
                                       'tag_title'    infernal machina part 1
                                             'bpm'  146.0
                                    'search_title'  '1':4 'infernal':1 'machina':2 'part':3
                                   'search_artist'  'jannick':1 'top':2
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2233':5 'classicprogpsy':1 'cppex':7 'fusionsoup':3,4 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11
                                    'search_combo'  '1':4A '2233':13 '38':8C 'classicprogpsy':9 'cppex':15 'fusionsoup':11,12 'infernal':1A 'jannick':5B 'machina':2A 'part':3A 'pl':20 'progressive':16,18 'progsoup':7C,10 'progspace':21 'rock':14 'set':17,19 'top':6B
                                    'tag_tracknum'  55
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['zeuhl', 'progressive rock', 'bass', 'french']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737316.9062493  (2021-05-11 14:48:36)
                             'size'  17770322