======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '2062'
                                          'artist'  'RainyMood.com'
                                     'text_people'  ''
                                         'release'  'RainyMood.com'
                                           'title'  'RainyMood.com'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-1', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ambient', 'sound effect', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.112'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'TALB' (Album/Movie/Show title)                     'RainyMood.com'
'TBPM' (BPM (beats per minute))                     '143.112'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'RainyMood.com'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'RainyMood.com'
'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:lastfmtags'                                   ['ambient', 'sound effect', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.48 dB'
'TXXX:replaygain_track_peak'                        '0.886747'

========================== row from database ==========================
                                              'id'  138944
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Unsorted/Half an hour of rain sound (from RainyMood.com).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  2062
                                           'genre'  electronic-unsorted
                                        'filesize'  33003429
                                           'mtime'  1637933096
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Unsorted Half an hour of rain sound (from RainyMood.com) electronic unsorted
                                      'tag_artist'  RainyMood.com
                                     'tag_release'  RainyMood.com
                                       'tag_title'  RainyMood.com
                                             'bpm'  143.112
                                    'search_title'  'com':2,6 'mood':5 'moodcom':7 'rainy':4 'rainymood':1 'rainymoodcom':3
                                   'search_artist'  'com':2,6 'mood':5 'moodcom':7 'rainy':4 'rainymood':1 'rainymoodcom':3
                                  'search_release'  'com':2,6 'mood':5 'moodcom':7 'rainy':4 'rainymood':1 'rainymoodcom':3
                                     'search_rest'  'an':3 'com':11,16 'electronic':13 'from':8,9 'half':2 'hour':4 'mood':15 'moodcom':17 'of':5 'rain':6 'rainy':14 'rainymood':10 'rainymoodcom':12 'sound':7 'unsorted':1
                                    'search_combo'  'an':24 'com':2A,6A,9B,13B,16C,20C,32,37 'electronic':34 'from':29,30 'half':23 'hour':25 'mood':5A,12B,19C,36 'moodcom':7A,14B,21C,38 'of':26 'rain':27 'rainy':4A,11B,18C,35 'rainymood':1A,8B,15C,31 'rainymoodcom':3A,10B,17C,33 'sound':28 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'sound effect', 'experimental']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933095.8423645  (2021-11-26 14:24:55)
                             'size'  33003429