======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Ted Lewis'
                                     'text_people'  ''
                                         'release'  'Columbia  2908 (78925)'
                                           'title'  'When My Baby Smiles At Me'
                                           '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-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'severni amerika', '20s', 'klezmer']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-klezmer'
                                             'bpm'  '90.3'
                                             'key'  '10A'
                                        '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  2908 (78925)'
'TBPM' (BPM (beats per minute))                     '90.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-klezmer'
'TDRC' (Recording time)                             '1920-01-12'
'TIT2' (Title/songname/content description)         'When My Baby Smiles At Me'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '167000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'severni amerika', '20s', 'klezmer']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.487107'

========================== row from database ==========================
                                              'id'  1467411
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Ted Lewis - When My Baby Smiles At Me 12-1-1920.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-klezmer
                                        'filesize'  3409899
                                           'mtime'  1620528280
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920 12 1 1920 prerock klezmer
                                      'tag_artist'  Ted Lewis
                                     'tag_release'  Columbia  2908 (78925)
                                       'tag_title'  When My Baby Smiles At Me
                                             'bpm'  90.3
                                    'search_title'  'at':5 'baby':3 'me':6 'my':2 'smiles':4 'when':1
                                   'search_artist'  'lewis':2 'ted':1
                                  'search_release'  '2908':2 '78925':3,4 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1':7 '1920':6 'country':4 'exotica':2 'jazz':1 'klezmer':9 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':17 '1':19 '1920':18 '2908':10C '78925':11C,12C 'at':5A 'baby':3A 'columbia':9C 'country':16 'exotica':14 'jazz':13 'klezmer':21 'lewis':8B 'me':6A 'my':2A 'oldies':15 'prerock':20 'smiles':4A 'ted':7B 'when':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'severni amerika', '20s', 'klezmer']
                                        'tag_date'  1920
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620528280.2762275  (2021-05-09 04:44:40)
                             'size'  3409899