======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'DJ Hell'
                                     'text_people'  ''
                                         'release'  'electroclash'
                                           'title'  'AudioTrack 01'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'house', 'electroclash', 'techno', 'electro', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '129.233'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'electroclash'
'TBPM' (BPM (beats per minute))                     '129.233'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'AudioTrack 01'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Hell'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'house', 'electroclash', 'techno', 'electro', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.360129'

========================== row from database ==========================
                                              'id'  1349640
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/DJ Hell Electroclash @ Electroclash__cifs5b5a.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  electronic-we-electroclash
                                        'filesize'  7130689
                                           'mtime'  1620572767
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Electroclash @ Electroclash__cifs5b5a electronic we
                                      'tag_artist'  DJ Hell
                                     'tag_release'  electroclash
                                       'tag_title'  AudioTrack 01
                                             'bpm'  129.233
                                    'search_title'  'audio':2 'audiotrack':1 'track':3
                                   'search_artist'  'dj':1 'hell':2
                                  'search_release'  'electroclash':1
                                     'search_rest'  '00poprockelectronic':1 'cifs5b5a':9 'electroclash':7,8 'electronic':10 'files':5,6 'loose':3,4 'unsorted':2 'we':11
                                    'search_combo'  '00poprockelectronic':7 'audio':2A 'audiotrack':1A 'cifs5b5a':15 'dj':4B 'electroclash':6C,13,14 'electronic':16 'files':11,12 'hell':5B 'loose':9,10 'track':3A 'unsorted':8 'we':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'house', 'electroclash', 'techno', 'electro', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572767.4884706  (2021-05-09 17:06:07)
                             'size'  7130689