======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '152'
                                          'artist'  'Papa Bue Vikings JB'
                                     'text_people'  ''
                                         'release'  'Papa Bue Vikings JB'
                                           'title'  'Old spinningwheel'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '138.229'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Papa Bue Vikings JB'
'TBPM' (BPM (beats per minute))                     '138.229'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Old spinningwheel'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Papa Bue Vikings JB'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.753276'

========================== row from database ==========================
                                              'id'  677897
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Dixieland/Papa Bue Vikings JB/Old spinningwheel.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  152
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  3047271
                                           'mtime'  1620528485
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Dixieland prerock jb jazz o dixiestyle
                                      'tag_artist'  Papa Bue Vikings JB
                                     'tag_release'  Papa Bue Vikings JB
                                       'tag_title'  Old spinningwheel
                                             'bpm'  138.229
                                    'search_title'  'old':1 'spinningwheel':2
                                   'search_artist'  'bue':2 'jb':4 'papa':1 'vikings':3
                                  'search_release'  'bue':2 'jb':4 'papa':1 'vikings':3
                                     'search_rest'  'country':4 'dixieland':5 'dixiestyle':9 'exotica':2 'jazz':1 'jb':7 'o':8 'oldies':3 'prerock':6
                                    'search_combo'  'bue':4B,8C 'country':14 'dixieland':15 'dixiestyle':19 'exotica':12 'jazz':11 'jb':6B,10C,17 'o':18 'old':1A 'oldies':13 'papa':3B,7C 'prerock':16 'spinningwheel':2A 'vikings':5B,9C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528484.9174767  (2021-05-09 04:48:04)
                             'size'  3047271