======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '181'
                                          'artist'  'Elvis Costello'
                                     'text_people'  ''
                                         'release'  'My Aim Is True'
                                           'title'  "I'm Not Angry"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']"
                                     'discogstags'  "['rock', 'new wave', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '138.892'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'My Aim Is True'
'TBPM' (BPM (beats per minute))                     '138.892'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         "I'm Not Angry"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '181133'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Costello'
'TRCK' (Track number/Position in set)               '11'
'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', 'new wave', 'rock & roll']
'TXXX:lastfmtags'                                   ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
'TXXX:original release date'                        ['1978', '1977']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.525041'

========================== row from database ==========================
                                              'id'  1510758
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/11_I_m Not Angry.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  181
                                           'genre'  rock-unsorted
                                        'filesize'  2899840
                                           'mtime'  1676052984
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 11_I_m rock unsorted
                                      'tag_artist'  Elvis Costello
                                     'tag_release'  My Aim Is True
                                       'tag_title'  I'm Not Angry
                                             'bpm'  138.892
                                    'search_title'  'angry':5 'i':1 'im':3 'm':2 'not':4
                                   'search_artist'  'costello':2 'elvis':1
                                  'search_release'  'aim':2 'is':3 'my':1 'true':4
                                     'search_rest'  '00poprockelectronic':1 '11':7 'files':5,6 'i':8 'loose':3,4 'm':9 'rock':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '11':18 'aim':9C 'angry':5A 'costello':7B 'elvis':6B 'files':16,17 'i':1A,19 'im':3A 'is':10C 'loose':14,15 'm':2A,20 'my':8C 'not':4A 'rock':21 'true':11C 'unsorted':13
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
                                        'tag_date'  1977
                                     'discogstags'  ['rock', 'new wave', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1676052983.786506  (2023-02-10 19:16:23)
                             'size'  2899840