======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '138'
                                          'artist'  "Swingin' Medallions"
                                     'text_people'  ''
                                         'release'  'Nuggets (disc 2)'
                                           'title'  "Double Shot (Of My Baby's Love)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', '60s', 'psychedelic', 'classic rock', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  '31'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '131.158'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'B511EA1F'
'COMM:ID3v1 Comment:XXX'                            'B511EA1F'
'TALB' (Album/Movie/Show title)                     'Nuggets (disc 2)'
'TBPM' (BPM (beats per minute))                     '131.158'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "Double Shot (Of My Baby's Love)"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "Swingin' Medallions"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24/31'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, 128 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['garage rock', '60s', 'psychedelic', 'classic rock', '7soul']
'TXXX:q-bass'                                       '4'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.486745'

========================== row from database ==========================
                                              'id'  1517316
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sonics - Nuggets (sixties)/Nuggets (disc 2)/24 - Swingin_ Medallions - 24 - Double Shot (Of My Baby_s Love).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  138
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2217242
                                           'mtime'  1620736993
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Sonics (sixties) 24 Swingin_ 24 Baby_s rock cppex psychedelic
                                      'tag_artist'  Swingin' Medallions
                                     'tag_release'  Nuggets (disc 2)
                                       'tag_title'  Double Shot (Of My Baby's Love)
                                             'bpm'  131.158
                                    'search_title'  'baby':6 'babys':8 'double':1 'love':9,10 'my':5 'of':3,4 's':7 'shot':2
                                   'search_artist'  'medallions':3 'swingin':1,2
                                  'search_release'  '2':4,5 'disc':2,3 'nuggets':1
                                     'search_rest'  '24':5 'baby':7 'classicprogpsy':1 'cppex':10 'psychedelic':11 'rock':9 's':8 'sixties':3,4 'sonics':2 'swingin':6
                                    'search_combo'  '2':17C,18C '24':23 'baby':6A,25 'babys':8A 'classicprogpsy':19 'cppex':28 'disc':15C,16C 'double':1A 'love':9A,10A 'medallions':13B 'my':5A 'nuggets':14C 'of':3A,4A 'psychedelic':29 'rock':27 's':7A,26 'shot':2A 'sixties':21,22 'sonics':20 'swingin':11B,12B,24
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', '60s', 'psychedelic', 'classic rock', '7soul']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736992.946513  (2021-05-11 14:43:12)
                             'size'  2217242