======================== unified (from filesystem) ========================
                                         'bitrate'  '257.956'
                                        'duration'  '506'
                                          'artist'  'Relaxing Dreams Vol 16'
                                     'text_people'  ''
                                         'release'  'Vol XVI: Ethno Moves by Charisma'
                                           'title'  'Cascades'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '06'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '85.888'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vol XVI: Ethno Moves by Charisma'
'TBPM' (BPM (beats per minute))                     '85.888'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Cascades'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Relaxing Dreams'
'TPE2' (Band/orchestra/accompaniment)               'Relaxing Dreams Vol 16'
'TRCK' (Track number/Position in set)               '01/06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '-1.97 dB'
'TXXX:replaygain_track_peak'                        '0.437079'

========================== row from database ==========================
                                              'id'  1312861
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Relaxing Dreams/Ethno Moves/01 Cascades.mp3
                                         'working'  None
                                         'bitrate'  257
                                    'duration_sec'  506
                                           'genre'  electronic
                                        'filesize'  16325594
                                           'mtime'  1636913333
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 01 electronic
                                      'tag_artist'  Relaxing Dreams Vol 16
                                     'tag_release'  Vol XVI: Ethno Moves by Charisma
                                       'tag_title'  Cascades
                                             'bpm'  85.888
                                    'search_title'  'cascades':1
                                   'search_artist'  'dreams':2 'relaxing':1 'vol':3
                                  'search_release'  'by':6 'charisma':7 'ethno':4 'moves':5 'vol':1 'xvi':2,3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':3
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 'by':10C 'cascades':1A 'charisma':11C 'dreams':3B 'electronic':14 'ethno':8C 'moves':9C 'relaxing':2B 'vol':4B,5C 'xvi':6C,7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913332.5496004  (2021-11-14 19:08:52)
                             'size'  16325594