======================== unified (from filesystem) ========================
                                         'bitrate'  '258.936'
                                        'duration'  '58'
                                          'artist'  'Diablo Swing Orchestra'
                                     'text_people'  ''
                                         'release'  'Sing Along Songs for the Damned & Delirious'
                                           'title'  'Siberian Love Affairs'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-SYN-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic metal', 'jazz metal', 'metal', 'progressive metal', 'avant "
 "garde', 'avant garde metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing;electronic-unsorted'
                                             'bpm'  '109.705'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sing Along Songs for the Damned & Delirious'
'TBPM' (BPM (beats per minute))                     '109.705'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-swing', 'electronic-unsorted']
'TIT2' (Title/songname/content description)         'Siberian Love Affairs'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Diablo Swing Orchestra'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['symphonic metal',
 'jazz metal',
 'metal',
 'progressive metal',
 'avant garde',
 'avant garde metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.62 dB'
'TXXX:replaygain_track_peak'                        '0.424337'

========================== row from database ==========================
                                              'id'  671008
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Diablo Swing Orchestra/Sing-Along Songs for the Damned and Delirious/06_-_Siberian_Love_Affairs.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  58
                                           'genre'  prerock-jb-jazz-soft-swing;electronic-unsorted
                                        'filesize'  1891865
                                           'mtime'  1620528453
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country and 06_ _Siberian_Love_Affairs prerock jb jazz soft swing;electronic unsorted
                                      'tag_artist'  Diablo Swing Orchestra
                                     'tag_release'  Sing Along Songs for the Damned & Delirious
                                       'tag_title'  Siberian Love Affairs
                                             'bpm'  109.705
                                    'search_title'  'affairs':3 'love':2 'siberian':1
                                   'search_artist'  'diablo':1 'orchestra':3 'swing':2
                                  'search_release'  'along':2 'damned':6 'delirious':7 'for':4 'sing':1 'songs':3 'the':5
                                     'search_rest'  '06':6 'affairs':9 'and':5 'country':4 'electronic':14,16 'exotica':2 'jazz':1 'jb':11 'love':8 'oldies':3 'prerock':10 'siberian':7 'soft':12 'swing':13,15 'unsorted':17
                                    'search_combo'  '06':19 'affairs':3A,22 'along':8C 'and':18 'country':17 'damned':12C 'delirious':13C 'diablo':4B 'electronic':27,29 'exotica':15 'for':10C 'jazz':14 'jb':24 'love':2A,21 'oldies':16 'orchestra':6B 'prerock':23 'siberian':1A,20 'sing':7C 'soft':25 'songs':9C 'swing':5B,26,28 'the':11C 'unsorted':30
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'Q-SYN-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['symphonic metal', 'jazz metal', 'metal', 'progressive metal', 'avant garde', 'avant garde metal']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620528453.0645325  (2021-05-09 04:47:33)
                             'size'  1891865