======================== unified (from filesystem) ========================
                                         'bitrate'  '220.796'
                                        'duration'  '140'
                                          'artist'  'Einstürzende Neubauten'
                                     'text_people'  ''
                                         'release'  'Grundstueck'
                                           'title'  'Grundstueck: GS 2'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'noise', 'industrial', 'avantgarde', 'experimental']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'industrial', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '123.784'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Grundstueck'
'TBPM' (BPM (beats per minute))                     '123.784'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Grundstueck: GS 2'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Einstürzende Neubauten'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'industrial', 'experimental']
'TXXX:lastfmtags'                                   ['german', 'noise', 'industrial', 'avantgarde', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.62 dB'
'TXXX:replaygain_track_peak'                        '0.524852'

========================== row from database ==========================
                                              'id'  163635
                                            'path'  /data/Music/Bulk/00dwimp/Unsorted/Einsturzende Neubauten__Albums__cifs4c19.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  140
                                           'genre'  eid-unsorted
                                        'filesize'  3886346
                                           'mtime'  1620521069
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Unsorted Einsturzende Neubauten__Albums__cifs4c19 eid unsorted
                                      'tag_artist'  Einstürzende Neubauten
                                     'tag_release'  Grundstueck
                                       'tag_title'  Grundstueck: GS 2
                                             'bpm'  123.784
                                    'search_title'  '2':4 'grundstueck':1,2 'gs':3
                                   'search_artist'  'einsturzende':1,2 'neubauten':3
                                  'search_release'  'grundstueck':1
                                     'search_rest'  '00dwimp':1 'albums':5 'cifs4c19':6 'eid':7 'einsturzende':3 'neubauten':4 'unsorted':2
                                    'search_combo'  '00dwimp':9 '2':4A 'albums':13 'cifs4c19':14 'eid':15 'einsturzende':5B,6B,11 'grundstueck':1A,2A,8C 'gs':3A 'neubauten':7B,12 'unsorted':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'noise', 'industrial', 'avantgarde', 'experimental']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'industrial', 'experimental']

============================== file details ==============================
                                           'mtime'  1620521068.7009864  (2021-05-09 02:44:28)
                             'size'  3886346