======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '128'
                                          'artist'  '101 Strings'
                                     'text_people'  ''
                                         'release'  '20 Best Of 101 Strings'
                                           'title'  'Theme From The Magnificent Seven'
                                           '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-2', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '116.0'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '20 Best Of 101 Strings'
'TBPM' (BPM (beats per minute))                     '116.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Theme From The Magnificent Seven'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings'
'TRCK' (Track number/Position in set)               '9'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'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:lastfmtags'                                   ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.419723'

========================== row from database ==========================
                                              'id'  1479139
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/2006 - 20 Best of 101 Strings/09 - Theme From The Magnificent Seven.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  128
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  2056347
                                           'mtime'  1621705586
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Orchestra 2006 of 09 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings
                                     'tag_release'  20 Best Of 101 Strings
                                       'tag_title'  Theme From The Magnificent Seven
                                             'bpm'  116.0
                                    'search_title'  'from':2 'magnificent':4 'seven':5 'the':3 'theme':1
                                   'search_artist'  '101':1 'strings':2
                                  'search_release'  '101':4 '20':1 'best':2 'of':3 'strings':5
                                     'search_rest'  '2006':6 'country':4 'easy':12 'electronic':8 'exotica':2 'generic':9 'jazz':1 'listening':13 'of':7 'oldies':3 'or':10 'orchestra':5 'radio':11
                                    'search_combo'  '101':6B,11C '20':8C '2006':18 'best':9C 'country':16 'easy':24 'electronic':20 'exotica':14 'from':2A 'generic':21 'jazz':13 'listening':25 'magnificent':4A 'of':10C,19 'oldies':15 'or':22 'orchestra':17 'radio':23 'seven':5A 'strings':7B,12C 'the':3A 'theme':1A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2']
                                      'lastfmtags'  ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705585.796008  (2021-05-22 19:46:25)
                             'size'  2056347