======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '159'
                                          'artist'  'The Rhythm Wreckers'
                                     'text_people'  ''
                                         'release'  'Western Swing'
                                           'title'  'Blue Yodel No.1 (T For Texas)'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'blues', 'early country', 'old timey', 'country']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '119.335'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Western Swing'
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         'Blue Yodel No.1 (T For Texas)'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '000000159570'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rhythm Wreckers'
'TPE2' (Band/orchestra/accompaniment)               'The Rhythm Wreckers'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['spotify', 'blues', 'early country', 'old timey', 'country']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.479048'

========================== row from database ==========================
                                              'id'  1524694
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/the rhythm wreckers - blue yodel no.1 (t for texas) 1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  159
                                           'genre'  prerock-jb-blues
                                        'filesize'  3698864
                                           'mtime'  1620402198
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection the rhythm wreckers blue yodel no.1 (t for texas) 1937 prerock jb blues
                                      'tag_artist'  The Rhythm Wreckers
                                     'tag_release'  Western Swing
                                       'tag_title'  Blue Yodel No.1 (T For Texas)
                                             'bpm'  119.335
                                    'search_title'  '1':4 'blue':1 'for':8 'no':3 'no1':5 't':6,7 'texas':9,10 'yodel':2
                                   'search_artist'  'rhythm':2 'the':1 'wreckers':3
                                  'search_release'  'swing':2 'western':1
                                     'search_rest'  '1':14 '1937':21 '30':5 'blue':11 'blues':24 'collection':7 'country':4 'exotica':2 'for':18 'jazz':1 'jb':23 'no':13 'no1':15 'oldies':3 'prerock':22 'rhythm':9 's':6 't':16,17 'texas':19,20 'the':8 'wreckers':10 'yodel':12
                                    'search_combo'  '1':4A,29 '1937':36 '30':20 'blue':1A,26 'blues':39 'collection':22 'country':19 'exotica':17 'for':8A,33 'jazz':16 'jb':38 'no':3A,28 'no1':5A,30 'oldies':18 'prerock':37 'rhythm':12B,24 's':21 'swing':15C 't':6A,7A,31,32 'texas':9A,10A,34,35 'the':11B,23 'western':14C 'wreckers':13B,25 'yodel':2A,27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'blues', 'early country', 'old timey', 'country']
                                        'tag_date'  1937
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620402198.2441304  (2021-05-07 17:43:18)
                             'size'  3698864