======================== unified (from filesystem) ========================
                                         'bitrate'  '220.565'
                                        'duration'  '186'
                                          'artist'  'Sense Field'
                                     'text_people'  ''
                                         'release'  'AbsolutePunk 05'
                                           'title'  'Saturday'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['emo', 'indie', 'indie rock', 'rock', 'alternative']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '95.393'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'AbsolutePunk 05'
'TBPM' (BPM (beats per minute))                     '95.393'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Saturday'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sense Field'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['emo', 'indie', 'indie rock', 'rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.351027'

========================== row from database ==========================
                                              'id'  1420173
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Brandtson - AbsolutePunk - 05 - The Best of May - 2004/23-sense_field-saturday-fenix.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  186
                                           'genre'  rock-gr-punk
                                        'filesize'  5133893
                                           'mtime'  1622658945
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Brandtson The Best of May 2004 23 sense_field saturday fenix rock gr punk
                                      'tag_artist'  Sense Field
                                     'tag_release'  AbsolutePunk 05
                                       'tag_title'  Saturday
                                             'bpm'  95.393
                                    'search_title'  'saturday':1
                                   'search_artist'  'field':2 'sense':1
                                  'search_release'  'absolute':2 'absolutepunk':1 'punk':3
                                     'search_rest'  '2004':10 '23':11 'best':7 'brandtson':5 'fenix':15 'field':13 'garage':2 'gr':17 'may':9 'of':8 'punk':1 'rock':16 'saturday':14 'sense':12 'stoner':4 'surf':3 'the':6
                                    'search_combo'  '2004':16 '23':17 'absolute':5C 'absolutepunk':4C 'best':13 'brandtson':11 'fenix':21 'field':3B,19 'garage':8 'gr':23 'may':15 'of':14 'punk':6C,7 'rock':22 'saturday':1A,20 'sense':2B,18 'stoner':10 'surf':9 'the':12
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['emo', 'indie', 'indie rock', 'rock', 'alternative']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622658945.4712124  (2021-06-02 20:35:45)
                             'size'  5133893