======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'Guy Lombardo Orchestra'
                                     'text_people'  ''
                                         'release'  '20s and 30s popular'
                                           'title'  'Young And Healthy'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', '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-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'easy listening', 'big band', 'swing', 'guy lombardo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '127.284'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '20s and 30s popular'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1933'
'TIT2' (Title/songname/content description)         'Young And Healthy'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '182446'
'TPE1' (Lead performer(s)/Soloist(s))               'Guy Lombardo Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'easy listening', 'big band', 'swing', 'guy lombardo']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.99 dB'
'TXXX:replaygain_track_peak'                        '0.421600'

========================== row from database ==========================
                                              'id'  1153087
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Guy Lombardo & his royal canadians, Bing Crosby - Young And Healthy (1933).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  prerock-swing
                                        'filesize'  2931644
                                           'mtime'  1620559598
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s 1930s & his royal canadians, Bing Crosby (1933) prerock swing
                                      'tag_artist'  Guy Lombardo Orchestra
                                     'tag_release'  20s and 30s popular
                                       'tag_title'  Young And Healthy
                                             'bpm'  127.284
                                    'search_title'  'and':2 'healthy':3 'young':1
                                   'search_artist'  'guy':1 'lombardo':2 'orchestra':3
                                  'search_release'  '20s':1 '30s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':7 '1933':14,15 'bing':12 'canadians':10,11 'country':4 'crosby':13 'exotica':2 'his':8 'jazz':1 'oldies':3 'prerock':16 'royal':9 'swing':17
                                    'search_combo'  '00oldiepop':15 '1920s':16 '1930s':17 '1933':24,25 '20s':7C '30s':9C 'and':2A,8C 'bing':22 'canadians':20,21 'country':14 'crosby':23 'exotica':12 'guy':4B 'healthy':3A 'his':18 'jazz':11 'lombardo':5B 'oldies':13 'orchestra':6B 'popular':10C 'prerock':26 'royal':19 'swing':27 'young':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'easy listening', 'big band', 'swing', 'guy lombardo']
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559598.190878  (2021-05-09 13:26:38)
                             'size'  2931644