======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '218'
                                          'artist'  'Atari Teenage Riot'
                                     'text_people'  ''
                                         'release'  'Burn, Berlin, Burn!'
                                           'title'  'Start the Riot'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk', 'digital hardcore', 'industrial', 'electronic', 'hardcore']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '103.1'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Burn, Berlin, Burn!'
'TBPM' (BPM (beats per minute))                     '103.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Start the Riot'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Atari Teenage Riot'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['punk', 'digital hardcore', 'industrial', 'electronic', 'hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.449519'

========================== row from database ==========================
                                              'id'  1332158
                                            'path'  /data/Music/Bulk/00poprockelectronic/ATR (atari teenage riot)/Burn, Berlin, burn!/Atari Teenage Riot - Burn, Berlin, Burn! - 01 - START THE RIOT.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  218
                                           'genre'  electronic-unsorted
                                        'filesize'  4366460
                                           'mtime'  1621637968
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ATR (atari teenage riot) burn! 01 START THE RIOT electronic unsorted
                                      'tag_artist'  Atari Teenage Riot
                                     'tag_release'  Burn, Berlin, Burn!
                                       'tag_title'  Start the Riot
                                             'bpm'  103.1
                                    'search_title'  'riot':3 'start':1 'the':2
                                   'search_artist'  'atari':1 'riot':3 'teenage':2
                                  'search_release'  'berlin':3,4 'burn':1,2
                                     'search_rest'  '00poprockelectronic':1 'atari':3,4 'atr':2 'burn':8 'electronic':11 'riot':6,7 'start':9 'teenage':5 'the':10 'unsorted':12
                                    'search_combo'  '00poprockelectronic':11 'atari':4B,13,14 'atr':12 'berlin':9C,10C 'burn':7C,8C,18 'electronic':21 'riot':3A,6B,16,17 'start':1A,19 'teenage':5B,15 'the':2A,20 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-4', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['punk', 'digital hardcore', 'industrial', 'electronic', 'hardcore']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621637968.024753  (2021-05-22 00:59:28)
                             'size'  4366460