======================== unified (from filesystem) ========================
                                         'bitrate'  '186.258'
                                        'duration'  '397'
                                          'artist'  'The Butthead Astronomers'
                                     'text_people'  ''
                                         'release'  'The Act of Snuggling / The Art of Snuggling'
                                           'title'  'Theme From Cancer Country'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'a17'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '127.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Act of Snuggling / The Art of Snuggling'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Theme From Cancer Country'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Butthead Astronomers'
'TRCK' (Track number/Position in set)               'a17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.410383'

========================== row from database ==========================
                                              'id'  730973
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Act Of Snuggling／The Art Of Snuggling (Oddio Overplay, 2000) [316k VBR]/a17-The_Butthead_Astronomers-Theme_From_Cancer_Country.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  397
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  9267737
                                           'mtime'  1636915998
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Of Snuggling／The Of (Oddio Overplay, 2000) [316k VBR] a17 The_Butthead_Astronomers Theme_From_Cancer_Country electronic experimental oddness
                                      'tag_artist'  The Butthead Astronomers
                                     'tag_release'  The Act of Snuggling / The Art of Snuggling
                                       'tag_title'  Theme From Cancer Country
                                             'bpm'  127.0
                                    'search_title'  'cancer':3 'country':4 'from':2 'theme':1
                                   'search_artist'  'astronomers':3 'butthead':2 'the':1
                                  'search_release'  'act':2 'art':5 'of':3 'snuggling':4 'the':1
                                     'search_rest'  '2000':11,12 '316k':13,14 'a17':17 'astronomers':20 'butthead':19 'cancer':23 'country':24 'electronic':25 'experimental':26 'from':22 'oddio':7,8 'oddness':27 'of':1 'overplay':9,10 'snuggling':2,4 'snugglingthe':6 'the':3,5,18 'theme':21 'vbr':15,16
                                    'search_combo'  '2000':23,24 '316k':25,26 'a17':29 'act':9C 'art':12C 'astronomers':7B,32 'butthead':6B,31 'cancer':3A,35 'country':4A,36 'electronic':37 'experimental':38 'from':2A,34 'oddio':19,20 'oddness':39 'of':10C,13 'overplay':21,22 'snuggling':11C,14,16 'snugglingthe':18 'the':5B,8C,15,17,30 'theme':1A,33 'vbr':27,28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915998.0344152  (2021-11-14 19:53:18)
                             'size'  9267737