======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '141'
                                          'artist'  'The 101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  "More hits of the 50's - 60's -"
                                           'title'  'Put your head on my shoulder'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', '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'  '5'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '143.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "More hits of the 50's - 60's -"
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDRC' (Recording time)                             '1987'
'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'
'TRCK' (Track number/Position in set)               '5'
'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'                                      '2'
'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'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.550631'

========================== row from database ==========================
                                              'id'  1524538
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1987 - More Hits of the 50_s - 60_s - 70_s/05 - Put Your Head On My Shoulder.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  141
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  2269307
                                           'mtime'  1621705544
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1987 Hits 50_s 60_s 70_s 05 Your Head On My Shoulder electronic generic radio easy listening
                                      'tag_artist'  The 101 Strings Orchestra
                                     'tag_release'  More hits of the 50's - 60's -
                                       'tag_title'  Put your head on my shoulder
                                             'bpm'  143.7
                                    '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'  '50':5 '50s':7 '60':8 '60s':10 'hits':2 'more':1 'of':3 's':6,9 'the':4
                                     'search_rest'  '1987':5 '50':7 '60':9 '70':11 'country':4 'easy':21 'electronic':18 'exotica':2 'generic':19 'head':14 'hits':6 'jazz':1 'listening':22 'my':16 'oldies':3 'on':15 'radio':20 's':8,10,12 'shoulder':17 'your':13
                                    'search_combo'  '101':8B '1987':25 '50':15C,27 '50s':17C '60':18C,29 '60s':20C '70':31 'country':24 'easy':41 'electronic':38 'exotica':22 'generic':39 'head':3A,34 'hits':12C,26 'jazz':21 'listening':42 'more':11C 'my':5A,36 'of':13C 'oldies':23 'on':4A,35 'orchestra':10B 'put':1A 'radio':40 's':16C,19C,28,30,32 'shoulder':6A,37 'strings':9B 'the':7B,14C 'your':2A,33
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-2', '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'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705543.8924298  (2021-05-22 19:45:43)
                             'size'  2269307