======================== unified (from filesystem) ========================
                                         'bitrate'  '239.694'
                                        'duration'  '433'
                                          'artist'  'Relaxing Dreams'
                                     'text_people'  ''
                                         'release'  'Vol X: Himalaya by Charisma'
                                           'title'  'Sheet Lightning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new age', 'german', 'instrumental', 'chillout', 'under 2000 listeners']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '06'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '130.988'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vol X: Himalaya by Charisma'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Sheet Lightning'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Relaxing Dreams'
'TPE2' (Band/orchestra/accompaniment)               'Relaxing Dreams'
'TRCK' (Track number/Position in set)               '03/06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['new age', 'german', 'instrumental', 'chillout', 'under 2000 listeners']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.675993'

========================== row from database ==========================
                                              'id'  1291270
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Relaxing Dreams/Himalaya/03 Sheet Lightning.mp3
                                         'working'  None
                                         'bitrate'  239
                                    'duration_sec'  433
                                           'genre'  electronic
                                        'filesize'  13001147
                                           'mtime'  1636913333
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 03 electronic
                                      'tag_artist'  Relaxing Dreams
                                     'tag_release'  Vol X: Himalaya by Charisma
                                       'tag_title'  Sheet Lightning
                                             'bpm'  130.988
                                    'search_title'  'lightning':2 'sheet':1
                                   'search_artist'  'dreams':2 'relaxing':1
                                  'search_release'  'by':5 'charisma':6 'himalaya':4 'vol':1 'x':2,3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':3
                                    'search_combo'  '00calmer':12 '00poprockelectronic':11 'by':9C 'charisma':10C 'dreams':4B 'electronic':13 'himalaya':8C 'lightning':2A 'relaxing':3B 'sheet':1A 'vol':5C 'x':6C,7C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['new age', 'german', 'instrumental', 'chillout', 'under 2000 listeners']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913332.6877396  (2021-11-14 19:08:52)
                             'size'  13001147