======================== unified (from filesystem) ========================
                                         'bitrate'  '320.015'
                                        'duration'  '174'
                                          'artist'  'Kirk McGee & Blythe Poteet'
                                     'text_people'  ''
                                         'release'  'Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1'
                                           'title'  'C-H-I-C-K-E-N Spells Chicken'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['what shall we do without us', 'amazing song title']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '115.589'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1'
'TBPM' (BPM (beats per minute))                     '115.589'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'C-H-I-C-K-E-N Spells Chicken'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kirk McGee & Blythe Poteet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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'                                   ['what shall we do without us', 'amazing song title']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.477163'

========================== row from database ==========================
                                              'id'  678766
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Good for What Ails You Music of the Medicine Shows, 1926-1937 - Disk1/17 - Kirk McGee & Blythe Poteet - C-H-I-C-K-E-N Spells Chicken.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  loc-namerica-country
                                        'filesize'  6995005
                                           'mtime'  1621627988
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 17 loc namerica country
                                      'tag_artist'  Kirk McGee & Blythe Poteet
                                     'tag_release'  Good for What Ails You: Music of the Medicine Shows, 1926-1937 - Disk1
                                       'tag_title'  C-H-I-C-K-E-N Spells Chicken
                                             'bpm'  115.589
                                    'search_title'  'c':1,4 'chicken':8 'e':6 'h':2 'i':3 'k':5 'n':7 'spells':9
                                   'search_artist'  'blythe':3 'gee':6 'kirk':1 'mc':5 'mcgee':2 'poteet':4
                                  'search_release'  '1926':13 '19261937':15 '1937':14 'ails':4 'disk1':16 'for':2 'good':1 'medicine':10 'music':7 'of':8 'shows':11,12 'the':9 'what':3 'you':5,6
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'loc':5 'namerica':6 'oldies':3
                                    'search_combo'  '1926':28C '19261937':30C '1937':29C 'ails':19C 'blythe':12B 'c':1A,4A 'chicken':8A 'country':35 'disk1':31C 'e':6A 'exotica':33 'for':17C 'gee':15B 'good':16C 'h':2A 'i':3A 'jazz':32 'k':5A 'kirk':10B 'loc':36 'mc':14B 'mcgee':11B 'medicine':25C 'music':22C 'n':7A 'namerica':37 'of':23C 'oldies':34 'poteet':13B 'shows':26C,27C 'spells':9A 'the':24C 'what':18C 'you':20C,21C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['what shall we do without us', 'amazing song title']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627987.5172346  (2021-05-21 22:13:07)
                             'size'  6995005