======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'Fever Tree'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Come On In'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '114.221'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.221'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Come On In'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fever Tree'
'TPE2' (Band/orchestra/accompaniment)               'Fever Tree'
'TPOS' (Part of a set)                              'A10113 DMk1'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.772201'

========================== row from database ==========================
                                              'id'  1415051
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Fever Tree - fevertree/fever tree for sale1969 ampex a10113/2 come on in by fever tree 1969 ampex a10113 dmk1.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6953753
                                           'mtime'  1620736189
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy fevertree fever tree for sale1969 ampex a10113 2 come on in by fever tree 1969 ampex a10113 dmk1 rock cppex psychedelic
                                      'tag_artist'  Fever Tree
                                     'tag_release'  None
                                       'tag_title'  Come On In
                                             'bpm'  114.221
                                    'search_title'  'come':1 'in':3 'on':2
                                   'search_artist'  'fever':1 'tree':2
                                  'search_release'  
                                     'search_rest'  '1969':14 '2':9 'a10113':8 'ampex':7 'by':13 'classicprogpsy':1 'come':10 'cppex':17 'dmk1':15 'fever':3 'fevertree':2 'for':5 'in':12 'on':11 'psychedelic':18 'rock':16 'sale1969':6 'tree':4
                                    'search_combo'  '1969':19 '2':14 'a10113':13 'ampex':12 'by':18 'classicprogpsy':6 'come':1A,15 'cppex':22 'dmk1':20 'fever':4B,8 'fevertree':7 'for':10 'in':3A,17 'on':2A,16 'psychedelic':23 'rock':21 'sale1969':11 'tree':5B,9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736188.883419  (2021-05-11 14:29:48)
                             'size'  6953753