======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Jay Mesco'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Generation Gap'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-th-hippies;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '123.859'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country',
 'set-th-hippies',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TIT2' (Title/songname/content description)         'The Generation Gap'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jay Mesco'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.00 dB'
'TXXX:replaygain_track_peak'                        '0.501266'

========================== row from database ==========================
                                              'id'  760500
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/hippies/Jay Mesco - The Generation Gap.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  loc-namerica-country;set-th-hippies;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5913036
                                           'mtime'  1621630335
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes hippies loc namerica country;set th hippies;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Jay Mesco
                                     'tag_release'  None
                                       'tag_title'  The Generation Gap
                                             'bpm'  123.859
                                    'search_title'  'gap':3 'generation':2 'the':1
                                   'search_artist'  'jay':1 'mesco':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'country':7,9 'hippies':4,12,14 'loc':5 'mor':21 'namerica':6 'pl':16 'set':8,10,13,15,18,20 'shirleyspinoza':17,19 'th':11 'themes':3
                                    'search_combo'  '0novelty':7 '0playlists':6 'country':12,14 'gap':3A 'generation':2A 'hippies':9,17,19 'jay':4B 'loc':10 'mesco':5B 'mor':26 'namerica':11 'pl':21 'set':13,15,18,20,23,25 'shirleyspinoza':22,24 'th':16 'the':1A 'themes':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630335.1045039  (2021-05-21 22:52:15)
                             'size'  5913036