======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '194'
                                          'artist'  'Edward Meeker'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  2230'
                                           'title'  "I'm Crazy 'Bout A Ragtime Minstrel Band"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1914'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison Blue Amberol  2230'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1914'
'TIT2' (Title/songname/content description)         "I'm Crazy 'Bout A Ragtime Minstrel Band"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '194000'
'TPE1' (Lead performer(s)/Soloist(s))               'Edward Meeker'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'vocal']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.89 dB'
'TXXX:replaygain_track_peak'                        '0.463619'

========================== row from database ==========================
                                              'id'  1510891
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1914/Edward Meeker - I_m Crazy _Bout A Ragtime Minstrel Band 1914.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  194
                                           'genre'  prerock-vocal
                                        'filesize'  3955211
                                           'mtime'  1620666195
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1914 I_m _Bout 1914 prerock vocal
                                      'tag_artist'  Edward Meeker
                                     'tag_release'  Edison Blue Amberol  2230
                                       'tag_title'  I'm Crazy 'Bout A Ragtime Minstrel Band
                                             'bpm'  145.4
                                    'search_title'  'a':7 'band':10 'bout':5,6 'crazy':4 'i':1 'im':3 'm':2 'minstrel':9 'ragtime':8
                                   'search_artist'  'edward':1 'meeker':2
                                  'search_release'  '2230':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1914':6 'bout':9 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':10 'vocal':11
                                    'search_combo'  '00oldiepop':21 '1914':22 '2230':16C 'a':7A 'amberol':15C 'band':10A 'blue':14C 'bout':5A,6A,25 'country':20 'crazy':4A 'edison':13C 'edward':11B 'exotica':18 'i':1A,23 'im':3A 'jazz':17 'm':2A,24 'meeker':12B 'minstrel':9A 'oldies':19 'prerock':26 'ragtime':8A 'vocal':27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1914
                                     'discogstags'  ['pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1620666195.3219564  (2021-05-10 19:03:15)
                             'size'  3955211