======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '226'
                                          'artist'  '101 Strings'
                                     'text_people'  ''
                                         'release'  "50's Style"
                                           'title'  'Canadian Sunset'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-1', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']"
                                     'discogstags'  "['easy listening', 'jazz', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '109.7'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "50's Style"
'TBPM' (BPM (beats per minute))                     '109.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Canadian Sunset'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '226925'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['easy listening', 'jazz', 'pop']
'TXXX:lastfmtags'                                   ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.395340'

========================== row from database ==========================
                                              'id'  1527145
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1976 - 50_s Style/02 - Canadian Sunset.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  226
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  3696415
                                           'mtime'  1621705540
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Orchestra 1976 50_s 02 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings
                                     'tag_release'  50's Style
                                       'tag_title'  Canadian Sunset
                                             'bpm'  109.7
                                    'search_title'  'canadian':1 'sunset':2
                                   'search_artist'  '101':1 'strings':2
                                  'search_release'  '50':1 '50s':3 's':2 'style':4
                                     'search_rest'  '1976':7 '50':8 'country':4 'easy':14 'electronic':10 'exotica':2 'generic':11 'jazz':1 'listening':15 'oldies':3 'or':12 'orchestra':6 'radio':13 's':9 'the':5
                                    'search_combo'  '101':3B '1976':15 '50':5C,16 '50s':7C 'canadian':1A 'country':12 'easy':22 'electronic':18 'exotica':10 'generic':19 'jazz':9 'listening':23 'oldies':11 'or':20 'orchestra':14 'radio':21 's':6C,17 'strings':4B 'style':8C 'sunset':2A 'the':13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
                                        'tag_date'  1976
                                     'discogstags'  ['easy listening', 'jazz', 'pop']

============================== file details ==============================
                                           'mtime'  1621705539.5463457  (2021-05-22 19:45:39)
                             'size'  3696415