======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '241'
                                          'artist'  'The M Machine'
                                     'text_people'  ''
                                         'release'  'Armada Deep: House Selection Vol.13 (2016)'
                                           'title'  "When It's Gone (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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'house', 'electro house', 'electro', 'dance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '127.99'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Armada Deep: House Selection Vol.13 (2016)'
'TBPM' (BPM (beats per minute))                     '127.99'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "When It's Gone (Original Mix)"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'The M Machine'
'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'                                   ['electronic', 'house', 'electro house', 'electro', 'dance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.436906'

========================== row from database ==========================
                                              'id'  1513227
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/The M Machine - When It_s Gone (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  241
                                           'genre'  electronic-unsorted
                                        'filesize'  9960051
                                           'mtime'  1621696400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 It_s electronic unsorted
                                      'tag_artist'  The M Machine
                                     'tag_release'  Armada Deep: House Selection Vol.13 (2016)
                                       'tag_title'  When It's Gone (Original Mix)
                                             'bpm'  127.99
                                    'search_title'  'gone':5 'it':2 'its':4 'mix':8,9 'original':6,7 's':3 'when':1
                                   'search_artist'  'm':2 'machine':3 'the':1
                                  'search_release'  '13':7 '2016':9,10 'armada':1 'deep':2,3 'house':4 'selection':5 'vol':6 'vol13':8
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':7 'guy':3 'it':5 'marvin':2 's':6 'unsorted':8
                                    'search_combo'  '00poprockelectronic':23 '13':19C '2015':26 '2016':21C,22C 'armada':13C 'deep':14C,15C 'electronic':29 'gone':5A 'guy':25 'house':16C 'it':2A,27 'its':4A 'm':11B 'machine':12B 'marvin':24 'mix':8A,9A 'original':6A,7A 's':3A,28 'selection':17C 'the':10B 'unsorted':30 'vol':18C 'vol13':20C 'when':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'house', 'electro house', 'electro', 'dance']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696400.179984  (2021-05-22 17:13:20)
                             'size'  9960051