======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '20'
                                          'artist'  'Unser Favorit'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Eins Zwei Dreistein'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['alternative', 'new wave', 'electro', 'technopop', 'neue deutsche welle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '117.059'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '117.059'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Eins Zwei Dreistein'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unser Favorit'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '151,181'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:Sortunder'                                    'u'
'TXXX:lastfmtags'                                   ['alternative', 'new wave', 'electro', 'technopop', 'neue deutsche welle']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.352560'

========================== row from database ==========================
                                              'id'  888003
                                            'path'  /data/Music/Bulk/sns/UnserFavorit_Eins_Zwei_Dreistein_0002.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  20
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  338200
                                           'mtime'  1621474611
                                   'redo_metaread'  0
                                        'rest_str'   sns UnserFavorit_Eins_Zwei_Dreistein_0002 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Unser Favorit
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Eins Zwei Dreistein
                                             'bpm'  117.059
                                    'search_title'  'dreistein':3 'eins':1 'zwei':2
                                   'search_artist'  'favorit':2 'unser':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0002':6,19 'dreistein':5,18 'eins':3,16 'favorit':15 'mor':13 'pl':8 'set':7,10,12 'shirleyspinoza':9,11 'sns':1 'unser':14 'unserfavorit':2 'zwei':4,17
                                    'search_combo'  '0002':13,26 'dreistein':3A,12,25 'eins':1A,10,23 'favorit':5B,22 'mor':20 'pl':15 'set':14,17,19 'shirley':6C 'shirleyspinoza':16,18 'sns':8 'spinoza':7C 'unser':4B,21 'unserfavorit':9 'zwei':2A,11,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'new wave', 'electro', 'technopop', 'neue deutsche welle']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621474611.2907798  (2021-05-20 03:36:51)
                             'size'  338200