======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '310'
                                          'artist'  'Justice'
                                     'text_people'  ''
                                         'release'  'DMC Essential Club Hits: 124'
                                           'title'  'Alakazam! (Original Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', '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'  "['dance', 'electronica', 'electro', 'electronic', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '119.00'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'DMC Essential Club Hits: 124'
'TBPM' (BPM (beats per minute))                     '119.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Alakazam! (Original Mix)'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Justice'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'electro', 'electronic', 'french']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.28 dB'
'TXXX:replaygain_track_peak'                        '0.453157'

========================== row from database ==========================
                                              'id'  1323721
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Justice - Alakazam! (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  310
                                           'genre'  electronic-unsorted
                                        'filesize'  12468182
                                           'mtime'  1621630184
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 2016 electronic unsorted
                                      'tag_artist'  Justice
                                     'tag_release'  DMC Essential Club Hits: 124
                                       'tag_title'  Alakazam! (Original Mix)
                                             'bpm'  119.0
                                    'search_title'  'alakazam':1 'mix':4,5 'original':2,3
                                   'search_artist'  'justice':1
                                  'search_release'  '124':6 'club':3 'dmc':1 'essential':2 'hits':4,5
                                     'search_rest'  '00poprockelectronic':1 '2015':4 '2016':5 'electronic':6 'guy':3 'marvin':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':13 '124':12C '2015':16 '2016':17 'alakazam':1A 'club':9C 'dmc':7C 'electronic':18 'essential':8C 'guy':15 'hits':10C,11C 'justice':6B 'marvin':14 'mix':4A,5A 'original':2A,3A 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'electro', 'electronic', 'french']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630183.863206  (2021-05-21 22:49:43)
                             'size'  12468182