======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '253'
                                          'artist'  'Various'
                                     'text_people'  ''
                                         'release'  'Janets Novelty JB'
                                           'title'  "Eve wasn't modest till she ate that apple"
                                           'quals'  ("['q-bass-1', 'q-drums-1', 'q-other-3', 'q-piano-2', 'q-vocals-3', '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'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-dixiestyle'
                                             'bpm'  '103.6'
                                             'key'  'A#m'
                                        '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'                  '8'
'TALB' (Album/Movie/Show title)                     'Janets Novelty JB'
'TBPM' (BPM (beats per minute))                     '103.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         "Eve wasn't modest till she ate that apple"
'TKEY' (Initial key)                                'A#m'
'TPE1' (Lead performer(s)/Soloist(s))               "Janet's Novelty JB"
'TPE2' (Band/orchestra/accompaniment)               'Various'
'TRCK' (Track number/Position in set)               '8'
'TXXX:MusicMagic Data'                              'AgEBWh1ng0OWHaNrgZoNVkmYgAGB5IMr+cyfoB7Ihn/oc4ABi8cMh8IwgAHixKzZhCOAAes20rLK7IABgAH7nv+f3fW87c1mgAKAAYLzlhqujoIFIfk+r4QLgn+DHwFLoR8cI4To5hqLtYoDGcO8eIAg4kyczYblh1LeCdS9y3eO1oAQ4zUC6dp+ubrAeoACgAE='
'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/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.396214'

========================== row from database ==========================
                                              'id'  1495229
                                            'path'  /data/Music/Other/Pa/Dixieland/Janet's Novelty JB/Eve wasn't modest till she ate that apple.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  253
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  5082100
                                           'mtime'  1620921903
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland Janet's prerock jb jazz dixiestyle
                                      'tag_artist'  Various
                                     'tag_release'  Janets Novelty JB
                                       'tag_title'  Eve wasn't modest till she ate that apple
                                             'bpm'  103.6
                                    'search_title'  'apple':10 'ate':8 'eve':1 'modest':5 'she':7 't':3 'that':9 'till':6 'wasn':2 'wasnt':4
                                   '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'  'apple':10A 'ate':8A 'dixieland':16 'dixiestyle':23 'eve':1A 'janet':17 'janets':12C,19 'jazz':22 'jb':14C,21 'modest':5A 'novelty':13C 'pa':15 'prerock':20 's':18 'she':7A 't':3A 'that':9A 'till':6A 'various':11B 'wasn':2A 'wasnt':4A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  A#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-2', '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'  1620921902.5074515  (2021-05-13 18:05:02)
                             'size'  5082100