======================== unified (from filesystem) ========================
                                         'bitrate'  '211.282'
                                        'duration'  '225'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  'Hammond Pops 5'
                                           'title'  ("An einem Sonntag in Avignon -- Knock-Knock, Who's There -- Grüezi wohl Frau "
 'Stirnima')
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                                     'discogstags'  "['pop', 'folk, world, & country', 'lounge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth;set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '98.6'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Hammond Pops 5'                               type PictureType.COVER_FRONT (Cover (front)) b'Hammond Pops 5'
                                     
'PRIV:AverageLevel:Å\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc5\x0c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hammond Pops 5'
'TBPM' (BPM (beats per minute))                     '98.6'
'TCON' (Content type, a.k.a. Genre)                 ['mi-earlysynth', 'set-cover or covered-styled', 'set-cover or covered']
'TDOR' (Original release time)                      '1970'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         ("An einem Sonntag in Avignon -- Knock-Knock, Who's There -- Grüezi wohl Frau "
 'Stirnima')
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TPE2' (Band/orchestra/accompaniment)               'Klaus Wunderlich'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  ['pop', 'folk, world, & country', 'lounge']
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.843681'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dcedaf11-95d3-4357-818c-9debe5f1db61')

========================== row from database ==========================
                                              'id'  1512584
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/hammond pops vol 05/07 an einem sonntag in avignon, knock-knock, who_s there, grüezi wohl frau stirnima.mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  225
                                           'genre'  mi-earlysynth;set-cover or covered-styled;set-cover or covered
                                        'filesize'  6028256
                                           'mtime'  1628353449
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad hammond pops vol 05 07 an sonntag avignon, knock knock, who_s there, grüezi frau stirnima mi earlysynth;set cover or covered styled;set cover or covered
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  Hammond Pops 5
                                       'tag_title'  An einem Sonntag in Avignon -- Knock-Knock, Who's There -- Grüezi wohl Frau Stirnima
                                             'bpm'  98.6
                                    'search_title'  'an':1 'avignon':5 'einem':2 'frau':16 'gruezi':13,14 'in':4 'knock':6,7 'knockknock':8 's':10 'sonntag':3 'stirnima':17 'there':12 'who':9 'whos':11 'wohl':15
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  '5':3 'hammond':1 'pops':2
                                     'search_rest'  '00spent':1 '0justbad':2 'an':6 'avignon':8,9 'cover':25 'covered':27 'earlysynth':21,23 'frau':18 'gruezi':16,17 'hammond':3 'knock':10,11 'mi':20 'or':26 'pops':4 's':13 'set':22,24,29,31 'sonntag':7 'stirnima':19 'styled':28,30 'there':14,15 'vol':5 'who':12
                                    'search_combo'  '00spent':23 '0justbad':24 '5':22C 'an':1A,28 'avignon':5A,30,31 'cover':47 'covered':49 'earlysynth':43,45 'einem':2A 'frau':16A,40 'gruezi':13A,14A,38,39 'hammond':20C,25 'in':4A 'klaus':18B 'knock':6A,7A,32,33 'knockknock':8A 'mi':42 'or':48 'pops':21C,26 's':10A,35 'set':44,46,51,53 'sonntag':3A,29 'stirnima':17A,41 'styled':50,52 'there':12A,36,37 'vol':27 'who':9A,34 'whos':11A 'wohl':15A 'wunderlich':19B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  1970
                                     'discogstags'  ['pop', 'folk, world, & country', 'lounge']

============================== file details ==============================
                                           'mtime'  1628353448.6905828  (2021-08-07 18:24:08)
                             'size'  6028256