======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '572'
                                          'artist'  'Matthias Meyer, Ryan Davis'
                                     'text_people'  ''
                                         'release'  'AlbertFM'
                                           'title'  'Love Letters From Sicily (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '121.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'AlbertFM'
'TBPM' (BPM (beats per minute))                     '121.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Love Letters From Sicily (Original Mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Matthias Meyer, Ryan Davis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:DATE'                                         '2018'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.23 dB'
'TXXX:replaygain_track_peak'                        '0.550219'

========================== row from database ==========================
                                              'id'  1323410
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Varis - C_201x Techno melodic/Matthias Meyer, Ryan Davis - Love Letters From Sicily (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  572
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  22915046
                                           'mtime'  1621085209
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Varis C_201x Techno melodic electronic techno minimal or deephouse
                                      'tag_artist'  Matthias Meyer, Ryan Davis
                                     'tag_release'  AlbertFM
                                       'tag_title'  Love Letters From Sicily (Original Mix)
                                             'bpm'  121.0
                                    'search_title'  'from':3 'letters':2 'love':1 'mix':7,8 'original':5,6 'sicily':4
                                   'search_artist'  'davis':5 'matthias':1 'meyer':2,3 'ryan':4
                                  'search_release'  'albert':2 'albertfm':1 'fm':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '201x':8 'beats':5 'c':7 'deephouse':14 'electronic':11 'harder':4 'house':3 'melodic':10 'minimal':12 'or':13 'techno':9 'varis':6
                                    'search_combo'  '00poprockelectronic':17 '00techno':18 '201x':24 'albert':15C 'albertfm':14C 'beats':21 'c':23 'davis':13B 'deephouse':30 'electronic':27 'fm':16C 'from':3A 'harder':20 'house':19 'letters':2A 'love':1A 'matthias':9B 'melodic':26 'meyer':10B,11B 'minimal':28 'mix':7A,8A 'or':29 'original':5A,6A 'ryan':12B 'sicily':4A 'techno':25 'varis':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2018
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085209.0924425  (2021-05-15 15:26:49)
                             'size'  22915046