======================== unified (from filesystem) ========================
                                         'bitrate'  '126.751'
                                        'duration'  '295'
                                          'artist'  'Klaus Johann Grobe'
                                     'text_people'  ''
                                         'release'  'Dimitri - PopTropic'
                                           'title'  'Ein guter Tag'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['krautrock', 'psych', 'swiss', 'deutsch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive-krautrock'
                                             'bpm'  '117.2'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - PopTropic'
'TBPM' (BPM (beats per minute))                     '117.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive-krautrock'
'TIT2' (Title/songname/content description)         'Ein guter Tag'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Johann Grobe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['krautrock', 'psych', 'swiss', 'deutsch']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.27 dB'
'TXXX:replaygain_track_peak'                        '0.591329'

========================== row from database ==========================
                                              'id'  1477433
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/PopTropic/Klaus Johann Grobe _ Ein guter Tag-pohWeNdISbw.mp3
                                         'working'  None
                                         'bitrate'  126
                                    'duration_sec'  295
                                           'genre'  rock-cppex-progressive-krautrock
                                        'filesize'  4693351
                                           'mtime'  1636038703
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm _ pohWeNdISbw rock cppex progressive krautrock
                                      'tag_artist'  Klaus Johann Grobe
                                     'tag_release'  Dimitri - PopTropic
                                       'tag_title'  Ein guter Tag
                                             'bpm'  117.2
                                    'search_title'  'ein':1 'guter':2 'tag':3
                                   'search_artist'  'grobe':3 'johann':2 'klaus':1
                                  'search_release'  'dimitri':1 'pop':3 'poptropic':2 'tropic':4
                                     'search_rest'  'cppex':3 'isbw':9 'krautrock':5 'nd':8 'poh':6 'pohwendisbw':1 'progressive':4 'rock':2 'we':7
                                    'search_combo'  'cppex':13 'dimitri':7C 'ein':1A 'grobe':6B 'guter':2A 'isbw':19 'johann':5B 'klaus':4B 'krautrock':15 'nd':18 'poh':16 'pohwendisbw':11 'pop':9C 'poptropic':8C 'progressive':14 'rock':12 'tag':3A 'tropic':10C 'we':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['krautrock', 'psych', 'swiss', 'deutsch']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038702.515892  (2021-11-04 16:11:42)
                             'size'  4693351