======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '243'
                                          'artist'  'Stairs to Nowhere'
                                     'text_people'  ''
                                         'release'  'Adieu Delicate Atheist'
                                           'title'  'Sailors life'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'post punk', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '142.708'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Adieu Delicate Atheist'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Sailors life'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stairs to Nowhere'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'post punk', 'punk', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.67 dB'
'TXXX:replaygain_track_peak'                        '0.519794'
'USLT:None:eng'                                     '*listen for yourself*'

========================== row from database ==========================
                                              'id'  1418632
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Stairs to Nowhere/Adieu Delicate Atheist/10 Sailors life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  243
                                           'genre'  rock-gr-punk
                                        'filesize'  9917872
                                           'mtime'  1622659138
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 10 rock gr punk
                                      'tag_artist'  Stairs to Nowhere
                                     'tag_release'  Adieu Delicate Atheist
                                       'tag_title'  Sailors life
                                             'bpm'  142.708
                                    'search_title'  'life':2 'sailors':1
                                   'search_artist'  'nowhere':3 'stairs':1 'to':2
                                  'search_release'  'adieu':1 'atheist':3 'delicate':2
                                     'search_rest'  'garage':2 'gr':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'adieu':6C 'atheist':8C 'delicate':7C 'garage':10 'gr':14 'life':2A 'nowhere':5B 'punk':9 'rock':13 'sailors':1A 'stairs':3B 'stoner':12 'surf':11 'to':4B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'alternative rock', 'post punk', 'punk', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659138.2835166  (2021-06-02 20:38:58)
                             'size'  9917872