======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'The Exotic Sounds of Love'
                                           'title'  'On a Warm Night'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '135.819'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Exotic Sounds of Love'
'TBPM' (BPM (beats per minute))                     '135.819'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1972'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'On a Warm Night'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:q-bass'                                       '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.643979'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.basichipdigitaloddio.com/365/')

========================== row from database ==========================
                                              'id'  980588
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/146 101 strings orchestra featuring bebe bardon - the exotic sounds of love/09_On_a_Warm_Night.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6369323
                                           'mtime'  1622801130
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 146 strings orchestra featuring bebe bardon the exotic sounds love 09_On_a_Warm_Night electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  The Exotic Sounds of Love
                                       'tag_title'  On a Warm Night
                                             'bpm'  135.819
                                    'search_title'  'a':2 'night':4 'on':1 'warm':3
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'exotic':2 'love':5 'of':4 'sounds':3 'the':1
                                     'search_rest'  '09':15 '146':5 'a':17 'bardon':10 'bebe':9 'country':4 'easy':24 'electronic':20 'exotic':12 'exotica':2 'featuring':8 'generic':21 'jazz':1 'listening':25 'love':14 'night':19 'oldies':3 'on':16 'or':22 'orchestra':7 'radio':23 'sounds':13 'strings':6 'the':11 'warm':18
                                    'search_combo'  '09':27 '101':5B '146':17 'a':2A,29 'bardon':22 'bebe':21 'country':16 'easy':36 'electronic':32 'exotic':9C,24 'exotica':14 'featuring':20 'generic':33 'jazz':13 'listening':37 'love':12C,26 'night':4A,31 'of':11C 'oldies':15 'on':1A,28 'or':34 'orchestra':7B,19 'radio':35 'sounds':10C,25 'strings':6B,18 'the':8C,23 'warm':3A,30
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801129.7279258  (2021-06-04 12:05:29)
                             'size'  6369323