======================== unified (from filesystem) ========================
                                         'bitrate'  '195.717'
                                        'duration'  '171'
                                          'artist'  'Mills Blue Rhythm Band'
                                     'text_people'  ''
                                         'release'  'Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944'
                                           'title'  'Reefer Man'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', '30s', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '25'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '105.477'
                                             'key'  '10A'
                                        'acoustid'  'f16f7773-9b03-467e-ad42-b92a02024f64'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944'
'TBPM' (BPM (beats per minute))                     '105.477'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Reefer Man'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Mills Blue Rhythm Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trikont'
'TRCK' (Track number/Position in set)               '17/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Mills Blue Rhythm Band'
'TXXX:ASIN'                                         'B0000517E4'
'TXXX:Acoustid Id'                                  'f16f7773-9b03-467e-ad42-b92a02024f64'
'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'                        '4cca8a8b-3831-4ca6-97a3-ee4095c98079'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['big band', 'jazz', '30s', 'swing']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.348631'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'745f06f6-f7f6-4c48-afe2-ff5eff84568e')

========================== row from database ==========================
                                              'id'  676187
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Flashbacks #1 ~ Drug Songs 1917-44 ~ High and Low (Hoanzl) [217k VBR]/17 - Baron Lee & the Blue Rhythm Band - Reefer Man.mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  171
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4203115
                                           'mtime'  1620529072
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country #1 ~ ~ (Hoanzl) [217k VBR] Baron Lee the prerock jb jazz unsorted
                                      'tag_artist'  Mills Blue Rhythm Band
                                     'tag_release'  Flashbacks, Volume 1: High & Low: DrugSongs 1917-1944
                                       'tag_title'  Reefer Man
                                             'bpm'  105.477
                                    'search_title'  'man':2 'reefer':1
                                   'search_artist'  'band':4 'blue':2 'mills':1 'rhythm':3
                                  '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':9,10 'baron':13 'country':4 'exotica':2 'hoanzl':7,8 'jazz':1 'jb':17 'lee':14 'oldies':3 'prerock':16 'the':15 'unsorted':18 'vbr':11,12
                                    'search_combo'  '1':10C,11C,25,26 '1917':16C '19171944':18C '1944':17C '217k':29,30 'band':6B 'baron':33 'blue':4B 'country':24 'drug':19C 'drugsongs':15C 'exotica':22 'flashbacks':7C,8C 'high':12C 'hoanzl':27,28 'jazz':21 'jb':37 'lee':34 'low':13C,14C 'man':2A 'mills':3B 'oldies':23 'prerock':36 'reefer':1A 'rhythm':5B 'songs':20C 'the':35 'unsorted':38 'vbr':31,32 'volume':9C
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', '30s', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529071.9358187  (2021-05-09 04:57:51)
                             'size'  4203115