======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '581'
                                          'artist'  'BT'
                                     'text_people'  ''
                                         'release'  'Never Gonna Come Back Down'
                                           'title'  "Hybrid's Echoplex Dub"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'trance', 'techno', 'electronic', 'dance']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '128.008'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Never Gonna Come Back Down'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Hybrid's Echoplex Dub"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'BT'
'TRCK' (Track number/Position in set)               '5'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house']
'TXXX:lastfmtags'                                   ['electronica', 'trance', 'techno', 'electronic', 'dance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.34 dB'
'TXXX:replaygain_track_peak'                        '0.554574'

========================== row from database ==========================
                                              'id'  1331120
                                            'path'  /data/Music/Bulk/00poprockelectronic/BT/MBZ;#BT;#Never Gonna Come Back Down;#05;#Hybrids Echoplex Dub.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  581
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  23273425
                                           'mtime'  1621696106
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#BT;#Never Down;#05;#Hybrids electronic we electropop or synthpop
                                      'tag_artist'  BT
                                     'tag_release'  Never Gonna Come Back Down
                                       'tag_title'  Hybrid's Echoplex Dub
                                             'bpm'  128.008
                                    'search_title'  'dub':5 'echoplex':4 'hybrid':1 'hybrids':3 's':2
                                   'search_artist'  'bt':1
                                  'search_release'  'back':4 'come':3 'down':5 'gonna':2 'never':1
                                     'search_rest'  '00poprockelectronic':1 '05':9,12 'bt':3,6 'down':8,11 'electronic':14 'electropop':16 'hybrids':10,13 'mbz':2,5 'never':4,7 'or':17 'synthpop':18 'we':15
                                    'search_combo'  '00poprockelectronic':12 '05':20,23 'back':10C 'bt':6B,14,17 'come':9C 'down':11C,19,22 'dub':5A 'echoplex':4A 'electronic':25 'electropop':27 'gonna':8C 'hybrid':1A 'hybrids':3A,21,24 'mbz':13,16 'never':7C,15,18 'or':28 's':2A 'synthpop':29 'we':26
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trance', 'techno', 'electronic', 'dance']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1621696106.3832474  (2021-05-22 17:08:26)
                             'size'  23273425