======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '184'
                                          'artist'  'Frank Crumit'
                                     'text_people'  ''
                                         'release'  'Columbia A 3332'
                                           'title'  "I'm A Lonesome Little Raindrop"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'need to rate', 'comedy', 'folk', 'comedy song']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-folk'
                                             'bpm'  '95.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Columbia A 3332'
'TBPM' (BPM (beats per minute))                     '95.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-folk'
'TDRC' (Recording time)                             '1920-10-20'
'TIT2' (Title/songname/content description)         "I'm A Lonesome Little Raindrop"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '184000'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Crumit'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'need to rate', 'comedy', 'folk', 'comedy song']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.71 dB'
'TXXX:replaygain_track_peak'                        '0.550547'

========================== row from database ==========================
                                              'id'  1514160
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Frank Crumit - I_m A Lonesome Little Raindrop 20-10-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  184
                                           'genre'  prerock-folk
                                        'filesize'  3724790
                                           'mtime'  1621705401
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 I_m 20 10 1920 prerock folk
                                      'tag_artist'  Frank Crumit
                                     'tag_release'  Columbia A 3332
                                       'tag_title'  I'm A Lonesome Little Raindrop
                                             'bpm'  95.0
                                    'search_title'  'a':4 'i':1 'im':3 'little':6 'lonesome':5 'm':2 'raindrop':7
                                   'search_artist'  'crumit':2 'frank':1
                                  'search_release'  '3332':3 'a':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1920':6 '20':9 'country':4 'exotica':2 'folk':11 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':10
                                    'search_combo'  '00oldiepop':17 '1920':18 '20':21 '3332':12C 'a':4A,11C 'columbia':10C 'country':16 'crumit':9B 'exotica':14 'folk':23 'frank':8B 'i':1A,19 'im':3A 'jazz':13 'little':6A 'lonesome':5A 'm':2A,20 'oldies':15 'prerock':22 'raindrop':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'need to rate', 'comedy', 'folk', 'comedy song']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705401.092822  (2021-05-22 19:43:21)
                             'size'  3724790