======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '394'
                                          'artist'  'Bruce Ditmas'
                                     'text_people'  ''
                                         'release'  'Aeray Dust'
                                           'title'  'Aeray Dust'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'fusion', 'jazz', 'drjazzmrfunkmusic']"
                                     'discogstags'  "['electronic', 'jazz', 'leftfield', 'free jazz', 'space-age', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '144.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Aeray Dust'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Aeray Dust'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Ditmas'
'TRCK' (Track number/Position in set)               '1/6'
'TSOP' (Performer sort order)                       'Ditmas, Bruce'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'leftfield', 'free jazz', 'space-age', 'experimental']
'TXXX:lastfmtags'                                   ['instrumental', 'fusion', 'jazz', 'drjazzmrfunkmusic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.846675'

========================== row from database ==========================
                                              'id'  1380546
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bruce Ditmas - Aeray Dust/01 Aeray Dust.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  394
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  16018471
                                           'mtime'  1620528310
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 01 prerock jb jazz newer experimental or free
                                      'tag_artist'  Bruce Ditmas
                                     'tag_release'  Aeray Dust
                                       'tag_title'  Aeray Dust
                                             'bpm'  144.6
                                    'search_title'  'aeray':1 'dust':2
                                   'search_artist'  'bruce':1 'ditmas':2
                                  'search_release'  'aeray':1 'dust':2
                                     'search_rest'  'country':4 'exotica':2 'experimental':8 'free':10 'jazz':1 'jb':6 'newer':7 'oldies':3 'or':9 'prerock':5
                                    'search_combo'  'aeray':1A,5C 'bruce':3B 'country':10 'ditmas':4B 'dust':2A,6C 'exotica':8 'experimental':14 'free':16 'jazz':7 'jb':12 'newer':13 'oldies':9 'or':15 'prerock':11
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'fusion', 'jazz', 'drjazzmrfunkmusic']
                                        'tag_date'  1977
                                     'discogstags'  ['electronic', 'jazz', 'leftfield', 'free jazz', 'space-age', 'experimental']

============================== file details ==============================
                                           'mtime'  1620528309.7707853  (2021-05-09 04:45:09)
                             'size'  16018471