======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '152'
                                          'artist'  'Chirpy Chirp Cheep Cheep'
                                     'text_people'  ''
                                         'release'  "Moog Madness - a compilation of 70's moog fun"
                                           'title'  'Electrik Cokernu'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-moog'
                                             'bpm'  '123.3'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Moog Madness - a compilation of 70's moog fun"
'TBPM' (BPM (beats per minute))                     '123.3'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-moog'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v2.0.4'
'TIT2' (Title/songname/content description)         'Electrik Cokernu'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chirpy Chirp Cheep Cheep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.542581'

========================== row from database ==========================
                                              'id'  1530379
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Moog Madness! - a compilation of 70_s moog fun [128k]/01 Chirpy Chirp Cheep Cheep - Electrik Cokernu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  152
                                           'genre'  mi-earlysynth-moog
                                        'filesize'  2447170
                                           'mtime'  1621627549
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Madness! 70_s [128k] 01 mi earlysynth
                                      'tag_artist'  Chirpy Chirp Cheep Cheep
                                     'tag_release'  Moog Madness - a compilation of 70's moog fun
                                       'tag_title'  Electrik Cokernu
                                             'bpm'  123.3
                                    'search_title'  'cokernu':2 'electrik':1
                                   'search_artist'  'cheep':3 'chirp':2 'chirpy':1
                                  'search_release'  '70':6 '70s':8 'a':3 'compilation':4 'fun':9 'madness':2 'moog':1 'of':5 's':7
                                     'search_rest'  '128k':4,5 '70':2 'earlysynth':7 'madness':1 'mi':6 's':3
                                    'search_combo'  '128k':18,19 '70':11C,16 '70s':13C 'a':8C 'cheep':5B 'chirp':4B 'chirpy':3B 'cokernu':2A 'compilation':9C 'earlysynth':21 'electrik':1A 'fun':14C 'madness':7C,15 'mi':20 'moog':6C 'of':10C 's':12C,17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627548.763639  (2021-05-21 22:05:48)
                             'size'  2447170