======================== unified (from filesystem) ========================
                                         'bitrate'  '225.373'
                                        'duration'  '171'
                                          'artist'  'Faron young'
                                     'text_people'  ''
                                         'release'  'country'
                                           'title'  'save the last dance for me'
                                           '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic country', 'country', 'honky tonk', 'rockabilly', 'old country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '133.491'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'country'
'TBPM' (BPM (beats per minute))                     '133.491'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'save the last dance for me'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Faron young'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Length'                                       '171812'
'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', 'country', 'honky tonk', 'rockabilly', 'old 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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.659317'

========================== row from database ==========================
                                              'id'  967942
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Faron Young - Save The Last Dance For Me.wma.mp3
                                         'working'  None
                                         'bitrate'  225
                                    'duration_sec'  171
                                           'genre'  loc-namerica-country
                                        'filesize'  4847338
                                           'mtime'  1621628075
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies Old Country Music Young Save The Last Dance For Me.wma loc namerica
                                      'tag_artist'  Faron young
                                     'tag_release'  country
                                       'tag_title'  save the last dance for me
                                             'bpm'  133.491
                                    'search_title'  'dance':4 'for':5 'last':3 'me':6 'save':1 'the':2
                                   'search_artist'  'faron':1 'young':2
                                  'search_release'  'country':1
                                     'search_rest'  'country':5 'dance':11 'exotica':2 'for':12 'jazz':1 'last':10 'loc':16 'me':13 'mewma':15 'music':6 'namerica':17 'old':4 'oldies':3 'save':8 'the':9 'wma':14 'young':7
                                    'search_combo'  'country':9C,14 'dance':4A,20 'exotica':11 'faron':7B 'for':5A,21 'jazz':10 'last':3A,19 'loc':25 'me':6A,22 'mewma':24 'music':15 'namerica':26 'old':13 'oldies':12 'save':1A,17 'the':2A,18 'wma':23 'young':8B,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'country', 'honky tonk', 'rockabilly', 'old country']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628075.3739247  (2021-05-21 22:14:35)
                             'size'  4847338