======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'The 101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  "Memories Are Made Of This... The '50s"
                                           'title'  'Put your head on my shoulder'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'q-bass-3', 'q-play-2', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '145.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Memories Are Made Of This... The '50s"
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Put your head on my shoulder'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The 101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'The 101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '16'
'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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.74 dB'
'TXXX:replaygain_track_peak'                        '0.623271'

========================== row from database ==========================
                                              'id'  1529039
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1993 - Memories Are Made Of This... The _50s/16 - Put Your Head On My Shoulder.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  5549590
                                           'mtime'  1621705549
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1993 _50s 16 Your Head On My Shoulder electronic generic radio easy listening
                                      'tag_artist'  The 101 Strings Orchestra
                                     'tag_release'  Memories Are Made Of This... The '50s
                                       'tag_title'  Put your head on my shoulder
                                             'bpm'  145.3
                                    'search_title'  'head':3 'my':5 'on':4 'put':1 'shoulder':6 'your':2
                                   'search_artist'  '101':2 'orchestra':4 'strings':3 'the':1
                                  'search_release'  '50s':8,9 'are':2 'made':3 'memories':1 'of':4 'the':7 'this':5,6
                                     'search_rest'  '1993':5 '50s':6 'country':4 'easy':15 'electronic':12 'exotica':2 'generic':13 'head':8 'jazz':1 'listening':16 'my':10 'oldies':3 'on':9 'radio':14 'shoulder':11 'your':7
                                    'search_combo'  '101':8B '1993':24 '50s':18C,19C,25 'are':12C 'country':23 'easy':34 'electronic':31 'exotica':21 'generic':32 'head':3A,27 'jazz':20 'listening':35 'made':13C 'memories':11C 'my':5A,29 'of':14C 'oldies':22 'on':4A,28 'orchestra':10B 'put':1A 'radio':33 'shoulder':6A,30 'strings':9B 'the':7B,17C 'this':15C,16C 'your':2A,26
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-3']
                                      'lastfmtags'  ['instrumental']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705549.4152951  (2021-05-22 19:45:49)
                             'size'  5549590