======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '74'
                                          'artist'  'TV Themes'
                                     'text_people'  ''
                                         'release'  'TV Guide 50 All-Time Favorite'
                                           'title'  'The Tonight Show Starring John'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '105.642'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'TV Guide 50 All-Time Favorite'
'TBPM' (BPM (beats per minute))                     '105.642'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Tonight Show Starring John'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'TV Themes'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.369044'

========================== row from database ==========================
                                              'id'  851504
                                            'path'  /data/Music/Bulk/0soundtrack/[tv tunes]/21-tv_theme-the_tonight_show_starring_johnny_carson-ssr.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  74
                                           'genre'  soundtrack-video-series
                                        'filesize'  1783630
                                           'mtime'  1623408285
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [tv tunes] 21 tv_theme the_tonight_show_starring_johnny_carson ssr soundtrack video series
                                      'tag_artist'  TV Themes
                                     'tag_release'  TV Guide 50 All-Time Favorite
                                       'tag_title'  The Tonight Show Starring John
                                             'bpm'  105.642
                                    'search_title'  'john':5 'show':3 'starring':4 'the':1 'tonight':2
                                   'search_artist'  'themes':2 'tv':1
                                  'search_release'  '50':3 'all':4 'alltime':6 'favorite':7 'guide':2 'time':5 'tv':1
                                     'search_rest'  '0soundtrack':1 '21':6 'carson':14 'johnny':13 'series':18 'show':11 'soundtrack':16 'ssr':15 'starring':12 'the':9 'theme':8 'tonight':10 'tunes':4,5 'tv':2,3,7 'video':17
                                    'search_combo'  '0soundtrack':15 '21':20 '50':10C 'all':11C 'alltime':13C 'carson':28 'favorite':14C 'guide':9C 'john':5A 'johnny':27 'series':32 'show':3A,25 'soundtrack':30 'ssr':29 'starring':4A,26 'the':1A,23 'theme':22 'themes':7B 'time':12C 'tonight':2A,24 'tunes':18,19 'tv':6B,8C,16,17,21 'video':31
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623408285.393743  (2021-06-11 12:44:45)
                             'size'  1783630