======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '424'
                                          'artist'  'Marcus Marr'
                                     'text_people'  ''
                                         'release'  'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Rocketship (Original Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'electronic', 'electro', 'dance', 'techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.01'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 ('00001172 00000CDB 000137A6 0000E823 00013600 000574A1 0000924C 00008FDD '
 '00045753 0005FD29')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 ('00000000 00000210 000009A6 00000000011D5A4A 00000000 0102BCBC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Rocketship (Original Mix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marcus Marr'
'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'
'TXXX:lastfmtags'                                   ['house', 'electronic', 'electro', 'dance', 'techno']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.407054'

========================== row from database ==========================
                                              'id'  1307224
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Marcus Marr - Rocketship (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  424
                                           'genre'  electronic-unsorted
                                        'filesize'  17001851
                                           'mtime'  1621696390
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Marcus Marr
                                     'tag_release'  Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Rocketship (Original Mix)
                                             'bpm'  120.01
                                    'search_title'  'mix':4,5 'original':2,3 'rocketship':1
                                   'search_artist'  'marcus':1 'marr':2
                                  'search_release'  '2016':6 'august':5 'beatport':1,2 'dance':9 'disco':11,12 'hear':4 'indie':7,8 'must':3 'nu':10
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':20 '2015':23 '2016':13C 'august':12C 'beatport':8C,9C 'dance':16C 'disco':18C,19C 'electronic':24 'guy':22 'hear':11C 'indie':14C,15C 'marcus':6B 'marr':7B 'marvin':21 'mix':4A,5A 'must':10C 'nu':17C 'original':2A,3A 'rocketship':1A 'unsorted':25
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'electronic', 'electro', 'dance', 'techno']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696389.6801503  (2021-05-22 17:13:09)
                             'size'  17001851