======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '267'
                                          'artist'  'Alan Parsons Project'
                                     'text_people'  ''
                                         'release'  'The Essential Alan Parsons Project(Disc 3)'
                                           'title'  'Days Are Numbers (The Travelle'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '109.943'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Essential Alan Parsons Project(Disc 3)'
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Days Are Numbers (The Travelle'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan Parsons Project'
'TPE2' (Band/orchestra/accompaniment)               'Alan Parsons Project'
'TPOS' (Part of a set)                              '3/3'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.618782'

========================== row from database ==========================
                                              'id'  1359870
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/126 Alan Parsons Project - Days Are Numbers (The Traveller).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  rock-unsorted
                                        'filesize'  10749323
                                           'mtime'  1620389095
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 126 Traveller) rock unsorted
                                      'tag_artist'  Alan Parsons Project
                                     'tag_release'  The Essential Alan Parsons Project(Disc 3)
                                       'tag_title'  Days Are Numbers (The Travelle
                                             'bpm'  109.943
                                    'search_title'  'are':2 'days':1 'numbers':3 'the':4,5 'travelle':6
                                   'search_artist'  'alan':1 'parsons':2 'project':3
                                  'search_release'  '3':8,9 'alan':3 'disc':6 'essential':2 'parsons':4 'project':5 'projectdisc':7 'the':1
                                     'search_rest'  '00poprockelectronic':1 '126':4 '1985':2 'complete':3 'rock':7 'traveller':5,6 'unsorted':8
                                    'search_combo'  '00poprockelectronic':19 '126':22 '1985':20 '3':17C,18C 'alan':7B,12C 'are':2A 'complete':21 'days':1A 'disc':15C 'essential':11C 'numbers':3A 'parsons':8B,13C 'project':9B,14C 'projectdisc':16C 'rock':25 'the':4A,5A,10C 'travelle':6A 'traveller':23,24 'unsorted':26
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'classic rock', 'rock', '80s', 'symphonic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389094.5033169  (2021-05-07 14:04:54)
                             'size'  10749323