======================== unified (from filesystem) ========================
                                         'bitrate'  '195.683'
                                        'duration'  '163'
                                          'artist'  'Champion Jack Dupree'
                                     'text_people'  ''
                                         'release'  'Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944'
                                           'title'  "Junker's Blues"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['boogie woogie', 'new orleans', 'blues', 'piano blues', 'piano']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '25'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '110.906'
                                             'key'  '7B'
                                        'acoustid'  '9fc21556-a52e-4cbe-beb3-e072c7cf747f'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944'
'TBPM' (BPM (beats per minute))                     '110.906'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "Junker's Blues"
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Champion Jack Dupree'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '2/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Dupree, Champion Jack'
'TXXX:ASIN'                                         'B0000517E4'
'TXXX:Acoustid Id'                                  '9fc21556-a52e-4cbe-beb3-e072c7cf747f'
'TXXX:CATALOGNUMBER'                                'TRIKONT US-0275'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '72e2bd66-d155-4473-807a-9f73b6a4858e'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '5849fa32-0283-4204-9d1b-507cfaf9d4a2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['boogie woogie', 'new orleans', 'blues', 'piano blues', 'piano']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.349551'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f4605d0f-f879-4f24-8744-5633ebc729a2')

========================== row from database ==========================
                                              'id'  1502944
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Flashbacks #1 ~ Drug Songs 1917-44 ~ High and Low (Hoanzl) [217k VBR]/02 - Champion Jack Dupree - Junker_s Blues.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  163
                                           'genre'  prerock-jb-jazz-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3995386
                                           'mtime'  1620529037
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country #1 ~ ~ and (Hoanzl) [217k VBR] 02 Junker_s prerock jb jazz unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Champion Jack Dupree
                                     'tag_release'  Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944
                                       'tag_title'  Junker's Blues
                                             'bpm'  110.906
                                    'search_title'  'blues':4 'junker':1 'junkers':3 's':2
                                   'search_artist'  'champion':1 'dupree':3 'jack':2
                                  'search_release'  '1':4,5 '1917':10 '19171944':12 '1944':11 'drug':13 'drugsongs':9 'flashbacks':1,2 'high':6 'low':7,8 'songs':14 'volume':3
                                     'search_rest'  '1':5,6 '217k':10,11 'and':7 'country':4 'exotica':2 'hoanzl':8,9 'jazz':1 'jb':17 'junker':14 'mor':27 'oldies':3 'pl':22 'prerock':16 's':15 'set':19,21,24,26 'shirleyspinoza':23,25 'unsorted':18,20 'vbr':12,13
                                    'search_combo'  '1':11C,12C,26,27 '1917':17C '19171944':19C '1944':18C '217k':31,32 'and':28 'blues':4A 'champion':5B 'country':25 'drug':20C 'drugsongs':16C 'dupree':7B 'exotica':23 'flashbacks':8C,9C 'high':13C 'hoanzl':29,30 'jack':6B 'jazz':22 'jb':38 'junker':1A,35 'junkers':3A 'low':14C,15C 'mor':48 'oldies':24 'pl':43 'prerock':37 's':2A,36 'set':40,42,45,47 'shirleyspinoza':44,46 'songs':21C 'unsorted':39,41 'vbr':33,34 'volume':10C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['boogie woogie', 'new orleans', 'blues', 'piano blues', 'piano']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529036.623043  (2021-05-09 04:57:16)
                             'size'  3995386