======================== unified (from filesystem) ========================
                                         'bitrate'  '130.624'
                                        'duration'  '115'
                                          'artist'  'VICO TORRIANI & JIM REEVES & BOBBY BARE & ANITA KERR SINGERS & CHET ATKINS'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'DEEP IN THE HEART OF TEXAS'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '135.274'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'DEEP IN THE HEART OF TEXAS'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'VICO TORRIANI & JIM REEVES & BOBBY BARE & ANITA KERR SINGERS & CHET ATKINS'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.625425'

========================== row from database ==========================
                                              'id'  967917
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Jim Reeves, Bobby  Bare & Anita Kerr Singers - Deep In The Heart Of Texas.wma.mp3
                                         'working'  None
                                         'bitrate'  130
                                    'duration_sec'  115
                                           'genre'  loc-namerica-country
                                        'filesize'  1886141
                                           'mtime'  1621628191
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Jim Reeves, Bobby Bare Anita Kerr Singers Deep In The Heart Of Texas.wma loc namerica country
                                      'tag_artist'  VICO TORRIANI & JIM REEVES & BOBBY BARE & ANITA KERR SINGERS & CHET ATKINS
                                     'tag_release'  None
                                       'tag_title'  DEEP IN THE HEART OF TEXAS
                                             'bpm'  135.274
                                    'search_title'  'deep':1 'heart':4 'in':2 'of':5 'texas':6 'the':3
                                   'search_artist'  'anita':7 'atkins':11 'bare':6 'bobby':5 'chet':10 'jim':3 'kerr':8 'reeves':4 'singers':9 'torriani':2 'vico':1
                                  'search_release'  
                                     'search_rest'  'anita':12 'bare':11 'bobby':10 'country':4 'deep':15 'exotica':2 'heart':18 'in':16 'jazz':1 'jim':7 'kerr':13 'loc':23 'music':6 'namerica':24 'of':19 'old':5 'oldies':3 'reeves':8,9 'singers':14 'texas':20 'texaswma':22 'the':17 'wma':21
                                    'search_combo'  'anita':13B,29 'atkins':17B 'bare':12B,28 'bobby':11B,27 'chet':16B 'country':21 'deep':1A,32 'exotica':19 'heart':4A,35 'in':2A,33 'jazz':18 'jim':9B,24 'kerr':14B,30 'loc':40 'music':23 'namerica':41 'of':5A,36 'old':22 'oldies':20 'reeves':10B,25,26 'singers':15B,31 'texas':6A,37 'texaswma':39 'the':3A,34 'torriani':8B 'vico':7B 'wma':38
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628190.9107265  (2021-05-21 22:16:30)
                             'size'  1886141