======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '60'
                                          'artist'  '4 Schizoide Musikanten'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Bevor Dada Da War War Dada Da'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '144.335'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '144.335'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Bevor Dada Da War War Dada Da'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '4 Schizoide Musikanten'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '107,210'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.845862'

========================== row from database ==========================
                                              'id'  986790
                                            'path'  /data/Music/Bulk/sns/4SchizoideMusikanten_BevorDadaDaWarWarDadaDa_0004.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  60
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  977072
                                           'mtime'  1678984158
                                   'redo_metaread'  0
                                        'rest_str'   sns 4SchizoideMusikanten_BevorDadaDaWarWarDadaDa_0004 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  4 Schizoide Musikanten
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Bevor Dada Da War War Dada Da
                                             'bpm'  144.335
                                    'search_title'  'bevor':1 'da':3 'dada':2 'war':4
                                   'search_artist'  '4':1 'musikanten':3 'schizoide':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0004':4,19 '4schizoide':12 '4schizoidemusikanten':2 'bevor':14 'bevordadadawarwardadada':3 'da':16,18 'dada':15 'mor':11 'musikanten':13 'pl':6 'set':5,8,10 'shirleyspinoza':7,9 'sns':1 'war':17
                                    'search_combo'  '0004':13,28 '4':5B '4schizoide':21 '4schizoidemusikanten':11 'bevor':1A,23 'bevordadadawarwardadada':12 'da':3A,25,27 'dada':2A,24 'mor':20 'musikanten':7B,22 'pl':15 'schizoide':6B 'set':14,17,19 'shirley':8C 'shirleyspinoza':16,18 'sns':10 'spinoza':9C 'war':4A,26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678984157.796299  (2023-03-16 17:29:17)
                             'size'  977072