======================== unified (from filesystem) ========================
                                         'bitrate'  '193.379'
                                        'duration'  '151'
                                          'artist'  'The Statler Brothers'
                                     'text_people'  ''
                                         'release'  'Gold'
                                           'title'  "(I'll Even Love You) Better Than I Did Then  "
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'country', 'rock', 'oldies', 'classic country']"
                                     'discogstags'  "['country', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-classic'
                                             'bpm'  '144.438'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gold'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country-classic'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "(I'll Even Love You) Better Than I Did Then  "
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Statler Brothers'
'TRCK' (Track number/Position in set)               '19'
'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:discogstags'                                  ['country', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['soundtrack', 'country', 'rock', 'oldies', 'classic country']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.610835'

========================== row from database ==========================
                                              'id'  1278719
                                            'path'  /data/Music/Bulk/00localcharacter/The Statler Brothers/119-the_statler_brothers-(ill_even_love_you)_better_than_i_did_then.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  151
                                           'genre'  loc-namerica-country-classic
                                        'filesize'  3664334
                                           'mtime'  1621629830
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 119 the_statler_brothers (ill_even_love_you)_better_than_i_did_then loc namerica country classic
                                      'tag_artist'  The Statler Brothers
                                     'tag_release'  Gold
                                       'tag_title'  (I'll Even Love You) Better Than I Did Then  
                                             'bpm'  144.438
                                    'search_title'  'better':8 'did':11 'even':4 'i':1,10 'ill':3 'll':2 'love':5 'than':9 'then':12 'you':6,7
                                   'search_artist'  'brothers':3 'statler':2 'the':1
                                  'search_release'  'gold':1
                                     'search_rest'  '119':1 'better':9,18 'brothers':4 'classic':26 'country':25 'did':12,21 'even':6,15 'i':11,20 'ill':5,14 'loc':23 'love':7,16 'namerica':24 'statler':3 'than':10,19 'the':2 'then':13,22 'you':8,17
                                    'search_combo'  '119':17 'better':8A,25,34 'brothers':15B,20 'classic':42 'country':41 'did':11A,28,37 'even':4A,22,31 'gold':16C 'i':1A,10A,27,36 'ill':3A,21,30 'll':2A 'loc':39 'love':5A,23,32 'namerica':40 'statler':14B,19 'than':9A,26,35 'the':13B,18 'then':12A,29,38 'you':6A,7A,24,33
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'country', 'rock', 'oldies', 'classic country']
                                        'tag_date'  1960
                                     'discogstags'  ['country', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629829.6192253  (2021-05-21 22:43:49)
                             'size'  3664334