======================== unified (from filesystem) ========================
                                         'bitrate'  '127.272'
                                        'duration'  '155'
                                          'artist'  'JIM REEVES'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'EVERYWHERE IN A U-GO.'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'male vocalists', 'oldies', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '123.935'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '123.935'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'EVERYWHERE IN A U-GO.'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'JIM REEVES'
'TPOS' (Part of a set)                              '1/1'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'male vocalists', 'oldies', 'classic country']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.26 dB'
'TXXX:replaygain_track_peak'                        '0.706063'

========================== row from database ==========================
                                              'id'  966485
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Jim Reeves - EVERYWHERE YOU GO 1957.wma.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  155
                                           'genre'  loc-namerica-country
                                        'filesize'  2472002
                                           'mtime'  1621628174
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Jim Reeves YOU 1957.wma loc namerica country
                                      'tag_artist'  JIM REEVES
                                     'tag_release'  None
                                       'tag_title'  EVERYWHERE IN A U-GO.
                                             'bpm'  123.935
                                    'search_title'  'a':3 'everywhere':1 'go':5 'in':2 'u':4 'ugo':6
                                   'search_artist'  'jim':1 'reeves':2
                                  'search_release'  
                                     'search_rest'  '1957':10 '1957wma':12 'country':4 'exotica':2 'jazz':1 'jim':7 'loc':13 'music':6 'namerica':14 'old':5 'oldies':3 'reeves':8 'wma':11 'you':9
                                    'search_combo'  '1957':18 '1957wma':20 'a':3A 'country':12 'everywhere':1A 'exotica':10 'go':5A 'in':2A 'jazz':9 'jim':7B,15 'loc':21 'music':14 'namerica':22 'old':13 'oldies':11 'reeves':8B,16 'u':4A 'ugo':6A 'wma':19 'you':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'male vocalists', 'oldies', 'classic country']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628174.0875947  (2021-05-21 22:16:14)
                             'size'  2472002