======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'Absolute Beginner'
                                     'text_people'  ''
                                         'release'  'Bambule'
                                           'title'  'Liebes Lied'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'hamburg', 'hip hop', 'rap', 'german hiphop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.108'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Bambule'
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Liebes Lied'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Absolute Beginner'
'TPE2' (Band/orchestra/accompaniment)               'Absolute Beginner'
'TRCK' (Track number/Position in set)               '4'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '000,192'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['german', 'hamburg', 'hip hop', 'rap', 'german hiphop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.565444'

========================== row from database ==========================
                                              'id'  1329806
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Absolute Beginner__Bambule__04 - Liebes Lied.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4051126
                                           'mtime'  1620572694
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Beginner__Bambule__04 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Absolute Beginner
                                     'tag_release'  Bambule
                                       'tag_title'  Liebes Lied
                                             'bpm'  94.108
                                    'search_title'  'liebes':1 'lied':2
                                   'search_artist'  'absolute':1 'beginner':2
                                  'search_release'  'bambule':1
                                     'search_rest'  '00poprockelectronic':1 '04':9 'bambule':8 'beginner':7 'files':5,6 'hip':10 'hop':11 'loose':3,4 'or':12 'rap':14 'rnb':13 'turntablism':15 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 '04':14 'absolute':3B 'bambule':5C,13 'beginner':4B,12 'files':10,11 'hip':15 'hop':16 'liebes':1A 'lied':2A 'loose':8,9 'or':17 'rap':19 'rnb':18 'turntablism':20 'unsorted':7
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'hamburg', 'hip hop', 'rap', 'german hiphop']
                                        'tag_date'  1998
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620572694.191213  (2021-05-09 17:04:54)
                             'size'  4051126