======================== unified (from filesystem) ========================
                                         'bitrate'  '32.0'
                                        'duration'  '58'
                                          'artist'  'Jefferson Airplane '
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Levis Ad (Grace Slick)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', "
 "'q-busy-3', 'q-grit-1', 'q-play-2', 'Q-OLDST-2', 'q-chart-1', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['psychedelic rock', 'classic rock', 'psychedelic', '60s', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '137.292'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '137.292'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'Ripped with Streamripper'
'TIT2' (Title/songname/content description)         'Levis Ad (Grace Slick)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jefferson Airplane '
'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'                                   ['psychedelic rock', 'classic rock', 'psychedelic', '60s', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.431356'

========================== row from database ==========================
                                              'id'  956650
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/Jefferson Airplane - Levis Ad (Grace Slick).mp3
                                         'working'  None
                                         'bitrate'  32
                                    'duration_sec'  58
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  235998
                                           'mtime'  1620524910
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa nonmusic commercials;set mor
                                      'tag_artist'  Jefferson Airplane 
                                     'tag_release'  None
                                       'tag_title'  Levis Ad (Grace Slick)
                                             'bpm'  137.292
                                    'search_title'  'ad':2 'grace':3,4 'levis':1 'slick':5,6
                                   'search_artist'  'airplane':2 'jefferson':1
                                  'search_release'  
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'commercial':6 'commercials':9,11 'mor':13 'movietrailer':5 'nonmusic':8 'psa':7 'radio':4 'set':10,12 'tv':3
                                    'search_combo'  '00commercials':10 '0nonmusic':9 'ad':2A 'airplane':8B 'commercial':14 'commercials':17,19 'grace':3A,4A 'jefferson':7B 'levis':1A 'mor':21 'movietrailer':13 'nonmusic':16 'psa':15 'radio':12 'set':18,20 'slick':5A,6A 'tv':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['psychedelic rock', 'classic rock', 'psychedelic', '60s', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524909.88535  (2021-05-09 03:48:29)
                             'size'  235998