======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Oregon Triode Society Concert'
                                     'text_people'  ''
                                         'release'  'Wurlitzer Theatre Organ'
                                           'title'  'SCOTT JOPLIN THEATRE ORGAN'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'mi-organ'
                                             'bpm'  '113.9'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wurlitzer Theatre Organ'
'TBPM' (BPM (beats per minute))                     '113.9'
'TCON' (Content type, a.k.a. Genre)                 'mi-organ'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'SCOTT JOPLIN THEATRE ORGAN'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Oregon Triode Society Concert'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.888673'

========================== row from database ==========================
                                              'id'  855185
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/wurlitzer theater/Wurlitzer Theatre Organ - Scott Joplin.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  mi-organ
                                        'filesize'  3103653
                                           'mtime'  1620524583
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm wurlitzer theater Scott Joplin mi organ
                                      'tag_artist'  Oregon Triode Society Concert
                                     'tag_release'  Wurlitzer Theatre Organ
                                       'tag_title'  SCOTT JOPLIN THEATRE ORGAN
                                             'bpm'  113.9
                                    'search_title'  'joplin':2 'organ':4 'scott':1 'theatre':3
                                   'search_artist'  'concert':4 'oregon':1 'society':3 'triode':2
                                  'search_release'  'organ':3 'theatre':2 'wurlitzer':1
                                     'search_rest'  'joplin':4 'mi':5 'organ':6 'scott':3 'theater':2 'wurlitzer':1
                                    'search_combo'  'concert':8B 'joplin':2A,15 'mi':16 'oregon':5B 'organ':4A,11C,17 'scott':1A,14 'society':7B 'theater':13 'theatre':3A,10C 'triode':6B 'wurlitzer':9C,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524583.254719  (2021-05-09 03:43:03)
                             'size'  3103653