======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '298'
                                          'artist'  'Various'
                                     'text_people'  ''
                                         'release'  'Janets Novelty JB'
                                           'title'  'Jersey walk'
                                           'quals'  ("['q-bass-1', 'q-drums-1', 'q-other-3', 'q-piano-3', 'q-vocals-2', 'Q-HAP-3', "
 "'Q-SYN-1', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'Q-CHART-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-dixiestyle'
                                             'bpm'  '102.5'
                                             'key'  'F m'  (4A)
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            'D6118A10+336973+16+150+19516+41362+66161+85011+106648+131113+153516+172534+199451+222133+236079+258482+273334+297895+316229'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
'TALB' (Album/Movie/Show title)                     'Janets Novelty JB'
'TBPM' (BPM (beats per minute))                     '102.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Jersey walk'
'TKEY' (Initial key)                                'F m'
'TPE1' (Lead performer(s)/Soloist(s))               "Janet's Novelty JB"
'TPE2' (Band/orchestra/accompaniment)               'Various'
'TRCK' (Track number/Position in set)               '7'
'TXXX:MusicMagic Data'                              'AgEBWjwogseVFrPIgdUmDjb5g7OCRIHQ/1+dix0KiRbkioABiNUayLmfgAHZSpmuhfuAAdxbzEvdEIABgAHNXQQO4wDASr5qgAKAAYLQliWwB4IbJ8w+SIQPgmWDAAGNoI8agYRQ5DOKEIqtGnK9B4AQ5AqaA4d9iSba8NW9y4+LWoAB3+EDFdoruUm97IACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:http://www.foosic.org/'                       '0000b47400007f069815b0cd4d3fb48f2fd03fffcec07f43f3a8fb1cf3bcdfb235c38ff8de201feddc08fcffbd104c2fcb38cb74b3dcfc1fc5b34110e3477dcb1ff022fed3b941fcda3b96406289e118316bf40c3fdd303cfef8713cffd8b81dfd7b366f2b06fd0f8bc43dafd3e6741ccfccf9bc2fc1c01df9c5cffe8fc45efde5eb2df2ed4030fdf004ec227fddb23f409cacfff170fca8ffdce4c3f383f9b34280bfccf0f83f4c3d1def70550237c3ff00ef9867c0fc2e1af54b60b7ed7b02e860bf1a30c1ecc0bf4f08cda3bfabff3b7c9fa3fecd80f3bfce874fcd12f44fc77ccc0c03fef73d08fe3358deccffef7fb04318f5f804cfe3d4bd4ccfe83d5e67f30ff72e18b3c064c832171fccf3f88bd400ce3bf78d180c0f1f40cfde8d0dcffc4d177f2c5bded0b037ce40203e71a8f0fc7beffc0c86d3fcbf1c3ec147c3fffc85cbeff9e0001ecc79319711d00b704c91ef7ad47ecff68cd3773bccb7330ac40cfcf261eb7d74d3af34d38dfaf36f7db6def5f7bdbbefdb7cefbdbcf77f3db73e3bdbdb78f73ef4b6de36dfbe37cfccfdb78db3d34b7df7df7dd36f79cfddf6db3dbbb7de40'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.401749'

========================== row from database ==========================
                                              'id'  1495301
                                            'path'  /data/Music/Other/Pa/Dixieland/Janet's Novelty JB/Jersey walk.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  298
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  5984279
                                           'mtime'  1620921837
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland Janet's prerock jb jazz dixiestyle
                                      'tag_artist'  Various
                                     'tag_release'  Janets Novelty JB
                                       'tag_title'  Jersey walk
                                             'bpm'  102.5
                                    'search_title'  'jersey':1 'walk':2
                                   'search_artist'  'various':1
                                  'search_release'  'janets':1 'jb':3 'novelty':2
                                     'search_rest'  'dixieland':2 'dixiestyle':9 'janet':3 'janets':5 'jazz':8 'jb':7 'pa':1 'prerock':6 's':4
                                    'search_combo'  'dixieland':8 'dixiestyle':15 'janet':9 'janets':4C,11 'jazz':14 'jb':6C,13 'jersey':1A 'novelty':5C 'pa':7 'prerock':12 's':10 'various':3B 'walk':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  F m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-3', 'Q-CHART-1', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620921837.4696372  (2021-05-13 18:03:57)
                             'size'  5984279