======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '109'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Alice'
                                           'title'  "I'm Still Here"
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '135.004'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Codeskii, Ya Heard?'
'COMM:ID3v1 Comment:XXX'                            'Codeskii, Ya Heard?'
'TALB' (Album/Movie/Show title)                     'Alice'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "I'm Still Here"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.563056'

========================== row from database ==========================
                                              'id'  1507514
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Waits, Tom - Tom Waits/Tom Waits Various/Tom Waits - I_m Still Here.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  109
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  1755214
                                           'mtime'  1639508289
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Waits, Various I_m ifs songwriter folk
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Alice
                                       'tag_title'  I'm Still Here
                                             'bpm'  135.004
                                    'search_title'  'here':5 'i':1 'im':3 'm':2 'still':4
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'alice':1
                                     'search_rest'  '00singer':1 'eos':3 'folk':10 'i':7 'ifs':9 'm':8 'songwriter':2 'various':6 'waits':4,5
                                    'search_combo'  '00singer':9 'alice':8C 'eos':11 'folk':18 'here':5A 'i':1A,15 'ifs':17 'im':3A 'm':2A,16 'songwriter':10 'still':4A 'tom':6B 'various':14 'waits':7B,12,13
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['jazz', 'rock', 'blues rock', 'contemporary jazz', 'folk']

============================== file details ==============================
                                           'mtime'  1639508289.2950542  (2021-12-14 19:58:09)
                             'size'  1755214