======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '424'
                                          'artist'  'Mijo'
                                     'text_people'  ''
                                         'release'  'Beatport: Top 100 - July 2016 (Indie Dance / Nu Disco)'
                                           'title'  'Proximo Berlin (Rex The Dog Remix)'
                                           'quals'  ("['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'  "['ambient', 'electronic', 'chillout', 'electronica', 'creative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '122.01'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Top 100 - July 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '122.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Proximo Berlin (Rex The Dog Remix)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mijo'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['ambient', 'electronic', 'chillout', 'electronica', 'creative']
'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'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.394061'

========================== row from database ==========================
                                              'id'  1298831
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Mijo - Proximo Berlin (Rex The Dog Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  424
                                           'genre'  electronic-unsorted
                                        'filesize'  17011940
                                           'mtime'  1620571092
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Mijo
                                     'tag_release'  Beatport: Top 100 - July 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Proximo Berlin (Rex The Dog Remix)
                                             'bpm'  122.01
                                    'search_title'  'berlin':2 'dog':6 'proximo':1 'remix':7,8 'rex':3,4 'the':5
                                   'search_artist'  'mijo':1
                                  'search_release'  '100':4 '2016':6 'beatport':1,2 'dance':9 'disco':11,12 'indie':7,8 'july':5 'nu':10 'top':3
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':22 '100':13C '2015':25 '2016':15C 'beatport':10C,11C 'berlin':2A 'dance':18C 'disco':20C,21C 'dog':6A 'electronic':26 'guy':24 'indie':16C,17C 'july':14C 'marvin':23 'mijo':9B 'nu':19C 'proximo':1A 'remix':7A,8A 'rex':3A,4A 'the':5A 'top':12C 'unsorted':27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'electronic', 'chillout', 'electronica', 'creative']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571092.2254846  (2021-05-09 16:38:12)
                             'size'  17011940