======================== unified (from filesystem) ========================
                                         'bitrate'  '215.029'
                                        'duration'  '7168'
                                          'artist'  'Rusko'
                                     'text_people'  ''
                                         'release'  'BBC Radio 1 Essential Mix'
                                           'title'  'Essential Mix 13th Dec 2008'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronic', 'massive dubstep', 'grime', 'dubstep', 'dubstep grime']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-dubstep'
                                             'bpm'  '141.909'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'BBC Radio 1 Essential Mix'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-dubstep'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 ('mp2 / 192kbps CBR / 48kHz / joint stereo / QDesign / From DVB-S using '
 'progdvb & mp3DirectCut for tmb.dj by Nifty with love')
'TIT2' (Title/songname/content description)         'Essential Mix 13th Dec 2008'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rusko'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRSN' (Internet radio station name)                'BBC Radio 1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'massive dubstep', 'grime', 'dubstep', 'dubstep grime']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+12.26 dB'
'TXXX:replaygain_track_peak'                        '0.098151'
'WOAR:www.myspace.com/bengabeats'                   WOAR(url='www.myspace.com/bengabeats')
'WORS' (Official Internet radio station homepage)   WORS(url='http://www.bbc.co.uk/radio1/')
'WXXX:'                                             WXXX(encoding=<Encoding.UTF16: 1>, desc='', url='http://www.bbc.co.uk/radio1/essentialmix/tracklistingarchive.shtml?20081213')

========================== row from database ==========================
                                              'id'  1406826
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Rusko Essential Mix 13th Dec 2008.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  7168
                                           'genre'  electronic-th-ent-dubstep
                                        'filesize'  192695131
                                           'mtime'  1621696417
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential mix electronic dubstep
                                      'tag_artist'  Rusko
                                     'tag_release'  BBC Radio 1 Essential Mix
                                       'tag_title'  Essential Mix 13th Dec 2008
                                             'bpm'  141.909
                                    'search_title'  '13th':3 '2008':5 'dec':4 'essential':1 'mix':2
                                   'search_artist'  'rusko':1
                                  'search_release'  '1':3 'bbc':1 'essential':4 'mix':5 'radio':2
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'dubstep':8 'electronic':7 'essential':5 'generic':2 'mix':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':12 '1':9C '13th':3A '2008':5A 'bbc':7C 'dance':14 'dec':4A 'dubstep':19 'electronic':18 'essential':1A,10C,16 'generic':13 'mix':2A,11C,17 'radio':8C 'rusko':6B 'trapbeat':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'massive dubstep', 'grime', 'dubstep', 'dubstep grime']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696416.857419  (2021-05-22 17:13:36)
                             'size'  192695131