======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Gary Glitter'
                                     'text_people'  ''
                                         'release'  'The Glam Years'
                                           'title'  "I'm the Leader of the Gang (I Am)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']"
                                     'discogstags'  "['glam', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop-glam'
                                             'bpm'  '111'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Glam Years'
'TBPM' (BPM (beats per minute))                     '111'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-glam'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'elvis64'
'TIT2' (Title/songname/content description)         "I'm the Leader of the Gang (I Am)"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gary Glitter'
'TPE2' (Band/orchestra/accompaniment)               'Gary Glitter'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['glam', 'rock']
'TXXX:lastfmtags'                                   ['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.368550'

========================== row from database ==========================
                                              'id'  1511586
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Glam Years/03 I_m the Leader of the Gang (I Am).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  rock-pop-glam
                                        'filesize'  8401843
                                           'mtime'  1622801956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 03 I_m rock pop glam
                                      'tag_artist'  Gary Glitter
                                     'tag_release'  The Glam Years
                                       'tag_title'  I'm the Leader of the Gang (I Am)
                                             'bpm'  111.0
                                    'search_title'  'am':10,11 'gang':7 'i':1,8,9 'im':3 'leader':5 'm':2 'of':6 'the':4
                                   'search_artist'  'gary':1 'glitter':2
                                  'search_release'  'glam':2 'the':1 'years':3
                                     'search_rest'  '00poprockelectronic':1 'glam':8 'i':4 'indierock':3 'm':5 'pop':7 'poprock':2 'rock':6
                                    'search_combo'  '00poprockelectronic':17 'am':10A,11A 'gang':7A 'gary':12B 'glam':15C,24 'glitter':13B 'i':1A,8A,9A,20 'im':3A 'indierock':19 'leader':5A 'm':2A,21 'of':6A 'pop':23 'poprock':18 'rock':22 'the':4A,14C 'years':16C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']
                                        'tag_date'  1995
                                     'discogstags'  ['glam', 'rock']

============================== file details ==============================
                                           'mtime'  1622801955.8974292  (2021-06-04 12:19:15)
                             'size'  8401843