======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '332'
                                          'artist'  'Ida Corr vs Fedde Le Grand'
                                     'text_people'  ''
                                         'release'  'Ministry Of Sound: NERVO Inspired'
                                           'title'  'Let Me Think About It'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'dance', 'electronic', 'club', 'party']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '126.806'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ministry Of Sound: NERVO Inspired'
'TBPM' (BPM (beats per minute))                     '126.806'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2014'
'TENC' (Encoded by)                                 'http://thepiratebay.se/user/AciDToX8'
'TIT2' (Title/songname/content description)         'Let Me Think About It'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ida Corr vs Fedde Le Grand'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '11'
'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:lastfmtags'                                   ['house', 'dance', 'electronic', 'club', 'party']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.379370'

========================== row from database ==========================
                                              'id'  1316576
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/(211) [Ida Corr vs Fedde Le Grand] Let Me Think About It.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  332
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  13434774
                                           'mtime'  1621696873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set (211) [Ida Grand] electronic generic radio dance
                                      'tag_artist'  Ida Corr vs Fedde Le Grand
                                     'tag_release'  Ministry Of Sound: NERVO Inspired
                                       'tag_title'  Let Me Think About It
                                             'bpm'  126.806
                                    'search_title'  'about':4 'it':5 'let':1 'me':2 'think':3
                                   'search_artist'  'corr':2 'fedde':4 'grand':6 'ida':1 'le':5 'vs':3
                                  'search_release'  'inspired':6 'ministry':1 'nervo':5 'of':2 'sound':3,4
                                     'search_rest'  '00poprockelectronic':1 '211':3,4 'dance':12 'electronic':9 'generic':10 'grand':7,8 'ida':5,6 'radio':11 'set':2
                                    'search_combo'  '00poprockelectronic':18 '211':20,21 'about':4A 'corr':7B 'dance':29 'electronic':26 'fedde':9B 'generic':27 'grand':11B,24,25 'ida':6B,22,23 'inspired':17C 'it':5A 'le':10B 'let':1A 'me':2A 'ministry':12C 'nervo':16C 'of':13C 'radio':28 'set':19 'sound':14C,15C 'think':3A 'vs':8B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'dance', 'electronic', 'club', 'party']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696872.6654463  (2021-05-22 17:21:12)
                             'size'  13434774