======================== unified (from filesystem) ========================
                                         'bitrate'  '102.112'
                                        'duration'  '179'
                                          'artist'  'Chet Atkins, Mark Kofner'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  " I'LL SEE YOU IN MY DREAMS"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '95.304'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '95.304'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         " I'LL SEE YOU IN MY DREAMS"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chet Atkins, Mark Kofner'
'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'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.948816'

========================== row from database ==========================
                                              'id'  1508288
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Chet Atkins, Mark Kofner - I_LL SEE YOU IN MY DREAMS.wma.mp3
                                         'working'  None
                                         'bitrate'  102
                                    'duration_sec'  179
                                           'genre'  loc-namerica-country
                                        'filesize'  2289685
                                           'mtime'  1621628042
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music I_LL DREAMS.wma loc namerica country
                                      'tag_artist'  Chet Atkins, Mark Kofner
                                     'tag_release'  None
                                       'tag_title'   I'LL SEE YOU IN MY DREAMS
                                             'bpm'  95.304
                                    'search_title'  'dreams':8 'i':1 'ill':3 'in':6 'll':2 'my':7 'see':4 'you':5
                                   'search_artist'  'atkins':2,3 'chet':1 'kofner':5 'mark':4
                                  'search_release'  
                                     'search_rest'  'country':4 'dreams':9 'dreamswma':11 'exotica':2 'i':7 'jazz':1 'll':8 'loc':12 'music':6 'namerica':13 'old':5 'oldies':3 'wma':10
                                    'search_combo'  'atkins':10B,11B 'chet':9B 'country':17 'dreams':8A,22 'dreamswma':24 'exotica':15 'i':1A,20 'ill':3A 'in':6A 'jazz':14 'kofner':13B 'll':2A,21 'loc':25 'mark':12B 'music':19 'my':7A 'namerica':26 'old':18 'oldies':16 'see':4A 'wma':23 'you':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628042.3992946  (2021-05-21 22:14:02)
                             'size'  2289685