======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'Everything Everything'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'MY KZ, UR BF (Clock Opera Remi'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '118.014'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.014'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'MY KZ, UR BF (Clock Opera Remi'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Everything Everything'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'british']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.460435'

========================== row from database ==========================
                                              'id'  1456581
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Everything Everything/Everything-Everything-MY-KZ-UR-BF-Clock-Opera-Remix.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7285910
                                           'mtime'  1620558222
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Remix electronic generic or radio dance
                                      'tag_artist'  Everything Everything
                                     'tag_release'  None
                                       'tag_title'  MY KZ, UR BF (Clock Opera Remi
                                             'bpm'  118.014
                                    'search_title'  'bf':5 'clock':6,7 'kz':2,3 'my':1 'opera':8 'remi':9 'ur':4
                                   'search_artist'  'everything':1
                                  'search_release'  
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 'dance':3 'electronic':7 'generic':2 'or':8 'radio':9 'remix':6 'trapbeat':4
                                    'search_combo'  '00mixable':15 '00poprockelectronic':11 'bf':5A 'clock':6A,7A 'dance':13 'electronic':17 'everything':10B 'generic':12 'kz':2A,3A 'my':1A 'opera':8A 'or':18 'radio':19 'remi':9A 'remix':16 'trapbeat':14 'ur':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'british']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558222.0408068  (2021-05-09 13:03:42)
                             'size'  7285910