======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '187'
                                          'artist'  'Cliff Edwards'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  "I Can't Give You Anything but Love"
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', '20s', 'jazz', 'disney', 'ukulele']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '010'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '123.331'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 9/15/1928 and peaked at #1 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 9/15/1928 and peaked'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '123.331'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         "I Can't Give You Anything but Love"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cliff Edwards'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '010'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.53 dB'
'TXXX:replaygain_track_peak'                        '0.686729'

========================== row from database ==========================
                                              'id'  1506364
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_010 - Cliff Edwards - I Can_t Give You Anything but Love 80 M (3.06).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  187
                                           'genre'  prerock-vocal
                                        'filesize'  1874986
                                           'mtime'  1620385962
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_010 Can_t 80 M (3.06) prerock vocal
                                      'tag_artist'  Cliff Edwards
                                     'tag_release'  Billboard 1928
                                       'tag_title'  I Can't Give You Anything but Love
                                             'bpm'  123.331
                                    'search_title'  'anything':7 'but':8 'can':2 'cant':4 'give':5 'i':1 'love':9 't':3 'you':6
                                   'search_artist'  'cliff':1 'edwards':2
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '010':6 '06':12 '1928':5 '3':11 '306':13 '80':9 'can':7 'country':4 'exotica':2 'jazz':1 'm':10 'oldies':3 'prerock':14 't':8 'vocal':15
                                    'search_combo'  '010':19 '06':25 '1928':13C,18 '3':24 '306':26 '80':22 'anything':7A 'billboard':12C 'but':8A 'can':2A,20 'cant':4A 'cliff':10B 'country':17 'edwards':11B 'exotica':15 'give':5A 'i':1A 'jazz':14 'love':9A 'm':23 'oldies':16 'prerock':27 't':3A,21 'vocal':28 'you':6A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             '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-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', '20s', 'jazz', 'disney', 'ukulele']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385962.2733548  (2021-05-07 13:12:42)
                             'size'  1874986