======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '224'
                                          'artist'  'Eugene Jaudas Society Orchestra'
                                     'text_people'  ''
                                         'release'  'Edison 50412-L'
                                           'title'  "There's A Little Bit Of Bad In Every Good Girl"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1916'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '137.385'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Edison 50412-L'
'TBPM' (BPM (beats per minute))                     '137.385'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1916'
'TIT2' (Title/songname/content description)         "There's A Little Bit Of Bad In Every Good Girl"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eugene Jaudas Society Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.551257'

========================== row from database ==========================
                                              'id'  1518553
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1916/Eugene Jaudas Society Orchestra - There_s A Little Bit Of Bad In Every Good Girl 22-11-1916.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  224
                                           'genre'  prerock-band
                                        'filesize'  4487062
                                           'mtime'  1620559567
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1916 There_s 22 11 1916 prerock band
                                      'tag_artist'  Eugene Jaudas Society Orchestra
                                     'tag_release'  Edison 50412-L
                                       'tag_title'  There's A Little Bit Of Bad In Every Good Girl
                                             'bpm'  137.385
                                    'search_title'  'a':4 'bad':8 'bit':6 'every':10 'girl':12 'good':11 'in':9 'little':5 'of':7 's':2 'there':1 'theres':3
                                   'search_artist'  'eugene':1 'jaudas':2 'orchestra':4 'society':3
                                  'search_release'  '50412':2 '50412l':4 'edison':1 'l':3
                                     'search_rest'  '00oldiepop':5 '1916':6 '22':9 'band':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 's':8 'there':7
                                    'search_combo'  '00oldiepop':25 '1916':26 '22':29 '50412':18C '50412l':20C 'a':4A 'bad':8A 'band':31 'bit':6A 'country':24 'edison':17C 'eugene':13B 'every':10A 'exotica':22 'girl':12A 'good':11A 'in':9A 'jaudas':14B 'jazz':21 'l':19C 'little':5A 'of':7A 'oldies':23 'orchestra':16B 'prerock':30 's':2A,28 'society':15B 'there':1A,27 'theres':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1916
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559567.1044235  (2021-05-09 13:26:07)
                             'size'  4487062