======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '321'
                                          'artist'  'Oliver'
                                     'text_people'  ''
                                         'release'  'MyMusicIsBetterThanYours.com'
                                           'title'  'MYB (Original Mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'house', 'electronic', 'psychedelic', 'pop']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '124'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'MyMusicIsBetterThanYours.com'
'TBPM' (BPM (beats per minute))                     '124'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'MYB (Original Mix)'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Oliver'
'TPE2' (Band/orchestra/accompaniment)               'Oliver'
'TRCK' (Track number/Position in set)               '1'
'TSRC' (ISRC (international standard recording code))  'QMSDU1300225'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['60s', 'house', 'electronic', 'psychedelic', 'pop']
'TXXX:q-bass'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.33 dB'
'TXXX:replaygain_track_peak'                        '0.421748'
'UFID:artwork guid'                                 UFID(owner='artwork guid', data=b'E64EEF1E-4130-0B6F-1CEF-A1411CB96D21')
'UFID:catalogue number'                             UFID(owner='catalogue number', data=b'FGR 080')
'WPUB' (Publishers official webpage)                WPUB(url='Fools Gold US')

========================== row from database ==========================
                                              'id'  1300764
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01-MYB-Original-Mix.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  321
                                           'genre'  electronic-unsorted
                                        'filesize'  12966440
                                           'mtime'  1620572526
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 electronic unsorted
                                      'tag_artist'  Oliver
                                     'tag_release'  MyMusicIsBetterThanYours.com
                                       'tag_title'  MYB (Original Mix)
                                             'bpm'  124.0
                                    'search_title'  'mix':4,5 'myb':1 'original':2,3
                                   'search_artist'  'oliver':1
                                  'search_release'  'better':7 'com':2,10 'is':6 'music':5 'my':4 'mymusicisbetterthanyours':1 'mymusicisbetterthanyourscom':3 'than':8 'yours':9 'yourscom':11
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 'better':13C 'com':8C,16C 'electronic':24 'files':22,23 'is':12C 'loose':20,21 'mix':4A,5A 'music':11C 'my':10C 'myb':1A 'mymusicisbetterthanyours':7C 'mymusicisbetterthanyourscom':9C 'oliver':6B 'original':2A,3A 'than':14C 'unsorted':19 'yours':15C 'yourscom':17C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'house', 'electronic', 'psychedelic', 'pop']
                                        'tag_date'  2013
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620572526.0409122  (2021-05-09 17:02:06)
                             'size'  12966440