======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '149'
                                          'artist'  'Eddy Arnold, the Tennessee Plowboy & His Guitar'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'C-H-R-I-S-T-M-A-S'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1949'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-th-christmas'
                                             'bpm'  '96.853'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '96.853'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-th-christmas']
'TDRC' (Recording time)                             '1949'
'TIT2' (Title/songname/content description)         'C-H-R-I-S-T-M-A-S'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddy Arnold, the Tennessee Plowboy & His Guitar'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.547842'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1949_011')

========================== row from database ==========================
                                              'id'  1504393
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1949/ch1949_011 - __eddy arnold, the tennessee plowboy & his guitar__ - c-h-r-i-s-t-m-a-s 112 js (2.29).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  149
                                           'genre'  prerock-unsorted;set-th-christmas
                                        'filesize'  2091008
                                           'mtime'  1620343024
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1949 ch1949_011 __eddy arnold, tennessee plowboy his guitar__ c m 112 js (2.29) prerock unsorted;set christmas
                                      'tag_artist'  Eddy Arnold, the Tennessee Plowboy & His Guitar
                                     'tag_release'  None
                                       'tag_title'  C-H-R-I-S-T-M-A-S
                                             'bpm'  96.853
                                    'search_title'  'a':8 'c':1 'christmas':10 'h':2 'i':4 'm':7 'r':3 's':5,9 't':6
                                   'search_artist'  'arnold':2,3 'eddy':1 'guitar':8 'his':7 'plowboy':6 'tennessee':5 'the':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '011':8 '112':18 '1949':6 '2':20 '229':22 '29':21 'arnold':10,11 'c':16 'ch1949':7 'christmas':28 'country':4 'eddy':9 'exotica':2 'guitar':15 'his':14 'jazz':1 'js':19 'm':17 'oldies':3 'plowboy':13 'prerock':23 'set':25,27 'tennessee':12 'unsorted':24,26
                                    'search_combo'  '00oldiepop':23 '011':26 '112':36 '1949':24 '2':38 '229':40 '29':39 'a':8A 'arnold':12B,13B,28,29 'c':1A,34 'ch1949':25 'christmas':10A,46 'country':22 'eddy':11B,27 'exotica':20 'guitar':18B,33 'h':2A 'his':17B,32 'i':4A 'jazz':19 'js':37 'm':7A,35 'oldies':21 'plowboy':16B,31 'prerock':41 'r':3A 's':5A,9A 'set':43,45 't':6A 'tennessee':15B,30 'the':14B 'unsorted':42,44
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1949
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343023.5775604  (2021-05-07 01:17:03)
                             'size'  2091008