======================== unified (from filesystem) ========================
                                         'bitrate'  '160.292'
                                        'duration'  '173'
                                          'artist'  'Bob Wills & His Texas Playboys'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Spanish Two Step - (1935 fiddle inst.)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic country', 'western swing', 'all', '40s', 'country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '115.722'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'Spanish Two Step - (1935 fiddle inst.)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Wills & His Texas Playboys'
'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:lastfmtags'                                   ['classic country', 'western swing', 'all', '40s', 'country']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.490134'

========================== row from database ==========================
                                              'id'  968125
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Bob Wills & His Texas Playboys - Spanish Two Step (1935).wma.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  loc-namerica-country
                                        'filesize'  3488033
                                           'mtime'  1621628026
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music (1935).wma loc namerica country
                                      'tag_artist'  Bob Wills & His Texas Playboys
                                     'tag_release'  None
                                       'tag_title'  Spanish Two Step - (1935 fiddle inst.)
                                             'bpm'  115.722
                                    'search_title'  '1935':4,5 'fiddle':6 'inst':7,8 'spanish':1 'step':3 'two':2
                                   'search_artist'  'bob':1 'his':3 'playboys':5 'texas':4 'wills':2
                                  'search_release'  
                                     'search_rest'  '1935':7 '1935wma':9 'country':4 'exotica':2 'jazz':1 'loc':10 'music':6 'namerica':11 'old':5 'oldies':3 'wma':8
                                    'search_combo'  '1935':4A,5A,20 '1935wma':22 'bob':9B 'country':17 'exotica':15 'fiddle':6A 'his':11B 'inst':7A,8A 'jazz':14 'loc':23 'music':19 'namerica':24 'old':18 'oldies':16 'playboys':13B 'spanish':1A 'step':3A 'texas':12B 'two':2A 'wills':10B 'wma':21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'western swing', 'all', '40s', 'country']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628025.8915842  (2021-05-21 22:13:45)
                             'size'  3488033