======================== unified (from filesystem) ========================
                                         'bitrate'  '174.772'
                                        'duration'  '226'
                                          'artist'  'Happy Rhodes'
                                     'text_people'  ''
                                         'release'  'RhodeSongs'
                                           'title'  'Ashes To Ashes (Acoustic Cover'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'ecto', 'female vocalists', 'female', 'singer songwriter']"
                                     'discogstags'  "['rock', 'acoustic', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '121.264'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'RhodeSongs'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Ashes To Ashes (Acoustic Cover'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Happy Rhodes'
'TRCK' (Track number/Position in set)               '12'
'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:discogstags'                                  ['rock', 'acoustic', 'indie rock']
'TXXX:lastfmtags'                                   ['alternative', 'ecto', 'female vocalists', 'female', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.869040'

========================== row from database ==========================
                                              'id'  1357701
                                            'path'  /data/Music/Bulk/00poprockelectronic/Happy Rhodes/HappyRhodes_RhodeSongs12_AshesToAshes(AcousticCover).mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  226
                                           'genre'  ifs-songwriter
                                        'filesize'  4941270
                                           'mtime'  1636401883
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic HappyRhodes_RhodeSongs12_AshesToAshes(AcousticCover) ifs songwriter
                                      'tag_artist'  Happy Rhodes
                                     'tag_release'  RhodeSongs
                                       'tag_title'  Ashes To Ashes (Acoustic Cover
                                             'bpm'  121.264
                                    'search_title'  'acoustic':3,4 'ashes':1 'cover':5 'to':2
                                   'search_artist'  'happy':1 'rhodes':2
                                  'search_release'  'rhode':2 'rhodesongs':1 'songs':3
                                     'search_rest'  '00poprockelectronic':1 'acoustic':18 'acousticcover':5 'ashes':15,17 'ashesacoustic':19 'ashestoashes':4 'ashestoashesacousticcover':8 'cover':20,21 'happy':11 'happyrhodes':2,6 'ifs':9 'rhode':13 'rhodes':12 'rhodesongs12':3,7 'songs12':14 'songwriter':10 'to':16
                                    'search_combo'  '00poprockelectronic':11 'acoustic':3A,4A,28 'acousticcover':15 'ashes':1A,25,27 'ashesacoustic':29 'ashestoashes':14 'ashestoashesacousticcover':18 'cover':5A,30,31 'happy':6B,21 'happyrhodes':12,16 'ifs':19 'rhode':9C,23 'rhodes':7B,22 'rhodesongs':8C 'rhodesongs12':13,17 'songs':10C 'songs12':24 'songwriter':20 'to':2A,26
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'ecto', 'female vocalists', 'female', 'singer songwriter']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'acoustic', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636401882.7501047  (2021-11-08 21:04:42)
                             'size'  4941270