======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '181'
                                          'artist'  "Yerkes' Happy Six"
                                     'text_people'  ''
                                         'release'  'Columbia A 2971'
                                           'title'  'Silver Water'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['proto exotica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '96.484'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia A 2971'
'TBPM' (BPM (beats per minute))                     '96.484'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         'Silver Water'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "Yerkes' Happy Six"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'proto exotica'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.471468'

========================== row from database ==========================
                                              'id'  1513258
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Yerkes_ Happy Six - Silver Water 23-6-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  181
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3624624
                                           'mtime'  1620524182
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 Yerkes_ 23 6 1920 prerock jb jazz unsorted
                                      'tag_artist'  Yerkes' Happy Six
                                     'tag_release'  Columbia A 2971
                                       'tag_title'  Silver Water
                                             'bpm'  96.484
                                    'search_title'  'silver':1 'water':2
                                   'search_artist'  'happy':3 'six':4 'yerkes':1,2
                                  'search_release'  '2971':3 'a':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1920':6 '23':8 '6':9 'country':4 'exotica':2 'jazz':1 'jb':11 'oldies':3 'prerock':10 'unsorted':12 'yerkes':7
                                    'search_combo'  '00oldiepop':14 '1920':15 '23':17 '2971':9C '6':18 'a':8C 'columbia':7C 'country':13 'exotica':11 'happy':5B 'jazz':10 'jb':20 'oldies':12 'prerock':19 'silver':1A 'six':6B 'unsorted':21 'water':2A 'yerkes':3B,4B,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['proto exotica']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524181.6750023  (2021-05-09 03:36:21)
                             'size'  3624624