======================== unified (from filesystem) ========================
                                         'bitrate'  '124.395'
                                        'duration'  '428'
                                          'artist'  'Supersister'
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock & Guitar'
                                           'title'  'No tree will grow.'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['rock', 'progressive rock', 'canterbury', 'progressive', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '109.4'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock & Guitar'
'TBPM' (BPM (beats per minute))                     '109.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'No tree will grow.'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Supersister'
'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'                                        '2'
'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'                                   ['rock', 'progressive rock', 'canterbury', 'progressive', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.644844'
'TXXX:youtube'                                      'up--PdDRSTA'

========================== row from database ==========================
                                              'id'  1477144
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockGuitar/Supersister - No tree will grow.-up--PdDRSTA.mp3
                                         'working'  None
                                         'bitrate'  124
                                    'duration_sec'  428
                                           'genre'  ifs-songwriter
                                        'filesize'  6669277
                                           'mtime'  1637330699
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockGuitar PdDRSTA ifs songwriter
                                      'tag_artist'  Supersister
                                     'tag_release'  Dimitri - Folk, Rock & Guitar
                                       'tag_title'  No tree will grow.
                                             'bpm'  109.4
                                    'search_title'  'grow':4,5 'no':1 'tree':2 'will':3
                                   'search_artist'  'supersister':1
                                  'search_release'  'dimitri':1 'folk':2,3 'guitar':5 'rock':4
                                     'search_rest'  'drsta':9 'folk':5 'folkrockguitar':1 'guitar':7 'ifs':3 'pd':8 'pddrsta':2 'rock':6 'songwriter':4
                                    'search_combo'  'dimitri':7C 'drsta':20 'folk':8C,9C,16 'folkrockguitar':12 'grow':4A,5A 'guitar':11C,18 'ifs':14 'no':1A 'pd':19 'pddrsta':13 'rock':10C,17 'songwriter':15 'supersister':6B 'tree':2A 'will':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['rock', 'progressive rock', 'canterbury', 'progressive', 'dutch']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330698.6051738  (2021-11-19 15:04:58)
                             'size'  6669277