======================== unified (from filesystem) ========================
                                         'bitrate'  '89.968'
                                        'duration'  '177'
                                          'artist'  'Eddie Arnold'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I HELD YOUR LOVE'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'classic country', 'male vocalists', 'oldies', 'eddy arnold']"
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '136.092'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'I HELD YOUR LOVE'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Arnold'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'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'                                  ['pop', 'vocal']
'TXXX:lastfmtags'                                   ['country', 'classic country', 'male vocalists', 'oldies', 'eddy arnold']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.507515'

========================== row from database ==========================
                                              'id'  966936
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Eddie Arnold - I HELD YOUR LOVE.wma.mp3
                                         'working'  None
                                         'bitrate'  89
                                    'duration_sec'  177
                                           'genre'  loc-namerica-country
                                        'filesize'  2000073
                                           'mtime'  1621628053
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music LOVE.wma loc namerica country
                                      'tag_artist'  Eddie Arnold
                                     'tag_release'  None
                                       'tag_title'  I HELD YOUR LOVE
                                             'bpm'  136.092
                                    'search_title'  'held':2 'i':1 'love':4 'your':3
                                   'search_artist'  'arnold':2 'eddie':1
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'loc':10 'love':7 'lovewma':9 'music':6 'namerica':11 'old':5 'oldies':3 'wma':8
                                    'search_combo'  'arnold':6B 'country':10 'eddie':5B 'exotica':8 'held':2A 'i':1A 'jazz':7 'loc':16 'love':4A,13 'lovewma':15 'music':12 'namerica':17 'old':11 'oldies':9 'wma':14 'your':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['country', 'classic country', 'male vocalists', 'oldies', 'eddy arnold']
                                        'tag_date'  1945
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1621628053.303815  (2021-05-21 22:14:13)
                             'size'  2000073