======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '464'
                                          'artist'  'Solaris Heights'
                                     'text_people'  ''
                                         'release'  'Midnight VINYL'
                                           'title'  'Midnight (Original mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'deep house', 'electronic', 'chillout', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '124.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Midnight VINYL'
'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Midnight (Original mix)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Solaris Heights'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'deep house', 'electronic', 'chillout', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.959684'

========================== row from database ==========================
                                              'id'  726150
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Seni/Solaris Heights - Midnight (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  464
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  11159598
                                           'mtime'  1636910111
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Seni Mix) electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Solaris Heights
                                     'tag_release'  Midnight VINYL
                                       'tag_title'  Midnight (Original mix)
                                             'bpm'  124.9
                                    'search_title'  'midnight':1 'mix':4,5 'original':2,3
                                   'search_artist'  'heights':2 'solaris':1
                                  'search_release'  'midnight':1 'vinyl':2
                                     'search_rest'  'acid':9 'downtempo':8 'electronic':4 'hop':6 'jazz':10 'mix':2,3 'or':7 'seni':1 'trip':5
                                    'search_combo'  'acid':18 'downtempo':17 'electronic':13 'heights':7B 'hop':15 'jazz':19 'midnight':1A,8C 'mix':4A,5A,11,12 'or':16 'original':2A,3A 'seni':10 'solaris':6B 'trip':14 'vinyl':9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'deep house', 'electronic', 'chillout', 'minimal']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910111.1896725  (2021-11-14 18:15:11)
                             'size'  11159598